blob: 6797962be4a3e4523a0ee5b5d685dc93510fa5a3 [file] [log] [blame]
commit 06829034ca64b8c83a5b20d8abe5ddbfe7af0004
Author: Juneyoung Lee <aqjune@gmail.com>
Date: Thu Feb 4 00:07:04 2021 +0900
Revert "[ConstantFold] Fold more operations to poison"
This reverts commit 53040a968dc2ff20931661e55f05da2ef8b964a0 due to its
bad interaction with select i1 -> and/or i1 transformation.
This fixes:
https://bugs.llvm.org/show_bug.cgi?id=49005
https://bugs.llvm.org/show_bug.cgi?id=48435
diff --git a/clang/test/Frontend/fixed_point_unary.c b/clang/test/Frontend/fixed_point_unary.c
index 6ce760daba11..849e38a94bc4 100644
--- a/clang/test/Frontend/fixed_point_unary.c
+++ b/clang/test/Frontend/fixed_point_unary.c
@@ -90,7 +90,7 @@ void inc_usa() {
// SIGNED-LABEL: @inc_uf(
// SIGNED-NEXT: entry:
// SIGNED-NEXT: [[TMP0:%.*]] = load i16, i16* @uf, align 2
-// SIGNED-NEXT: [[TMP1:%.*]] = add i16 [[TMP0]], poison
+// SIGNED-NEXT: [[TMP1:%.*]] = add i16 [[TMP0]], undef
// SIGNED-NEXT: store i16 [[TMP1]], i16* @uf, align 2
// SIGNED-NEXT: ret void
//
@@ -271,7 +271,7 @@ void dec_usa() {
// SIGNED-LABEL: @dec_uf(
// SIGNED-NEXT: entry:
// SIGNED-NEXT: [[TMP0:%.*]] = load i16, i16* @uf, align 2
-// SIGNED-NEXT: [[TMP1:%.*]] = sub i16 [[TMP0]], poison
+// SIGNED-NEXT: [[TMP1:%.*]] = sub i16 [[TMP0]], undef
// SIGNED-NEXT: store i16 [[TMP1]], i16* @uf, align 2
// SIGNED-NEXT: ret void
//
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp
index 03cb108cc485..95dd55237e5f 100644
--- a/llvm/lib/IR/ConstantFold.cpp
+++ b/llvm/lib/IR/ConstantFold.cpp
@@ -630,7 +630,7 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V,
V.convertToInteger(IntVal, APFloat::rmTowardZero, &ignored)) {
// Undefined behavior invoked - the destination type can't represent
// the input constant.
- return PoisonValue::get(DestTy);
+ return UndefValue::get(DestTy);
}
return ConstantInt::get(FPC->getContext(), IntVal);
}
@@ -916,7 +916,7 @@ Constant *llvm::ConstantFoldInsertElementInstruction(Constant *Val,
unsigned NumElts = ValTy->getNumElements();
if (CIdx->uge(NumElts))
- return PoisonValue::get(Val->getType());
+ return UndefValue::get(Val->getType());
SmallVector<Constant*, 16> Result;
Result.reserve(NumElts);
@@ -1151,21 +1151,23 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
}
case Instruction::SDiv:
case Instruction::UDiv:
- // X / undef -> poison
- // X / 0 -> poison
- if (match(C2, m_CombineOr(m_Undef(), m_Zero())))
- return PoisonValue::get(C2->getType());
+ // X / undef -> undef
+ if (isa<UndefValue>(C2))
+ return C2;
+ // undef / 0 -> undef
// undef / 1 -> undef
- if (match(C2, m_One()))
+ if (match(C2, m_Zero()) || match(C2, m_One()))
return C1;
// undef / X -> 0 otherwise
return Constant::getNullValue(C1->getType());
case Instruction::URem:
case Instruction::SRem:
- // X % undef -> poison
- // X % 0 -> poison
- if (match(C2, m_CombineOr(m_Undef(), m_Zero())))
- return PoisonValue::get(C2->getType());
+ // X % undef -> undef
+ if (match(C2, m_Undef()))
+ return C2;
+ // undef % 0 -> undef
+ if (match(C2, m_Zero()))
+ return C1;
// undef % X -> 0 otherwise
return Constant::getNullValue(C1->getType());
case Instruction::Or: // X | undef -> -1
@@ -1173,28 +1175,28 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
return C1;
return Constant::getAllOnesValue(C1->getType()); // undef | X -> ~0
case Instruction::LShr:
- // X >>l undef -> poison
+ // X >>l undef -> undef
if (isa<UndefValue>(C2))
- return PoisonValue::get(C2->getType());
+ return C2;
// undef >>l 0 -> undef
if (match(C2, m_Zero()))
return C1;
// undef >>l X -> 0
return Constant::getNullValue(C1->getType());
case Instruction::AShr:
- // X >>a undef -> poison
+ // X >>a undef -> undef
if (isa<UndefValue>(C2))
- return PoisonValue::get(C2->getType());
+ return C2;
// undef >>a 0 -> undef
if (match(C2, m_Zero()))
return C1;
- // TODO: undef >>a X -> poison if the shift is exact
+ // TODO: undef >>a X -> undef if the shift is exact
// undef >>a X -> 0
return Constant::getNullValue(C1->getType());
case Instruction::Shl:
// X << undef -> undef
if (isa<UndefValue>(C2))
- return PoisonValue::get(C2->getType());
+ return C2;
// undef << 0 -> undef
if (match(C2, m_Zero()))
return C1;
@@ -1247,14 +1249,14 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
if (CI2->isOne())
return C1; // X / 1 == X
if (CI2->isZero())
- return PoisonValue::get(CI2->getType()); // X / 0 == poison
+ return UndefValue::get(CI2->getType()); // X / 0 == undef
break;
case Instruction::URem:
case Instruction::SRem:
if (CI2->isOne())
return Constant::getNullValue(CI2->getType()); // X % 1 == 0
if (CI2->isZero())
- return PoisonValue::get(CI2->getType()); // X % 0 == poison
+ return UndefValue::get(CI2->getType()); // X % 0 == undef
break;
case Instruction::And:
if (CI2->isZero()) return C2; // X & 0 == 0
@@ -1368,7 +1370,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
case Instruction::SDiv:
assert(!CI2->isZero() && "Div by zero handled above");
if (C2V.isAllOnesValue() && C1V.isMinSignedValue())
- return PoisonValue::get(CI1->getType()); // MIN_INT / -1 -> poison
+ return UndefValue::get(CI1->getType()); // MIN_INT / -1 -> undef
return ConstantInt::get(CI1->getContext(), C1V.sdiv(C2V));
case Instruction::URem:
assert(!CI2->isZero() && "Div by zero handled above");
@@ -1376,7 +1378,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
case Instruction::SRem:
assert(!CI2->isZero() && "Div by zero handled above");
if (C2V.isAllOnesValue() && C1V.isMinSignedValue())
- return PoisonValue::get(CI1->getType()); // MIN_INT % -1 -> poison
+ return UndefValue::get(CI1->getType()); // MIN_INT % -1 -> undef
return ConstantInt::get(CI1->getContext(), C1V.srem(C2V));
case Instruction::And:
return ConstantInt::get(CI1->getContext(), C1V & C2V);
@@ -1387,15 +1389,15 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
case Instruction::Shl:
if (C2V.ult(C1V.getBitWidth()))
return ConstantInt::get(CI1->getContext(), C1V.shl(C2V));
- return PoisonValue::get(C1->getType()); // too big shift is poison
+ return UndefValue::get(C1->getType()); // too big shift is undef
case Instruction::LShr:
if (C2V.ult(C1V.getBitWidth()))
return ConstantInt::get(CI1->getContext(), C1V.lshr(C2V));
- return PoisonValue::get(C1->getType()); // too big shift is poison
+ return UndefValue::get(C1->getType()); // too big shift is undef
case Instruction::AShr:
if (C2V.ult(C1V.getBitWidth()))
return ConstantInt::get(CI1->getContext(), C1V.ashr(C2V));
- return PoisonValue::get(C1->getType()); // too big shift is poison
+ return UndefValue::get(C1->getType()); // too big shift is undef
}
}
@@ -1441,7 +1443,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
// Fast path for splatted constants.
if (Constant *C2Splat = C2->getSplatValue()) {
if (Instruction::isIntDivRem(Opcode) && C2Splat->isNullValue())
- return PoisonValue::get(VTy);
+ return UndefValue::get(VTy);
if (Constant *C1Splat = C1->getSplatValue()) {
return ConstantVector::getSplat(
VTy->getElementCount(),
@@ -1458,9 +1460,9 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
Constant *LHS = ConstantExpr::getExtractElement(C1, ExtractIdx);
Constant *RHS = ConstantExpr::getExtractElement(C2, ExtractIdx);
- // If any element of a divisor vector is zero, the whole op is poison.
+ // If any element of a divisor vector is zero, the whole op is undef.
if (Instruction::isIntDivRem(Opcode) && RHS->isNullValue())
- return PoisonValue::get(VTy);
+ return UndefValue::get(VTy);
Result.push_back(ConstantExpr::get(Opcode, LHS, RHS));
}
@@ -2343,8 +2345,7 @@ Constant *llvm::ConstantFoldGetElementPtr(Type *PointeeTy, Constant *C,
return PoisonValue::get(GEPTy);
if (isa<UndefValue>(C))
- // If inbounds, we can choose an out-of-bounds pointer as a base pointer.
- return InBounds ? PoisonValue::get(GEPTy) : UndefValue::get(GEPTy);
+ return UndefValue::get(GEPTy);
Constant *Idx0 = cast<Constant>(Idxs[0]);
if (Idxs.size() == 1 && (Idx0->isNullValue() || isa<UndefValue>(Idx0)))
diff --git a/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll b/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll
index e0037f0d8e45..bfe83c7a1285 100644
--- a/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll
+++ b/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll
@@ -42,7 +42,7 @@ define i32 @select_sdiv_rhs_const_i32(i1 %cond) {
define <2 x i32> @select_sdiv_lhs_const_v2i32(i1 %cond) {
; IR-LABEL: @select_sdiv_lhs_const_v2i32(
-; IR-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], <2 x i32> <i32 666, i32 poison>, <2 x i32> <i32 555, i32 1428>
+; IR-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], <2 x i32> <i32 666, i32 undef>, <2 x i32> <i32 555, i32 1428>
; IR-NEXT: ret <2 x i32> [[OP]]
;
; GCN-LABEL: select_sdiv_lhs_const_v2i32:
diff --git a/llvm/test/Transforms/InstCombine/apint-shift.ll b/llvm/test/Transforms/InstCombine/apint-shift.ll
index 908aeac0cea2..5a351efccfcc 100644
--- a/llvm/test/Transforms/InstCombine/apint-shift.ll
+++ b/llvm/test/Transforms/InstCombine/apint-shift.ll
@@ -337,7 +337,7 @@ define <2 x i1> @test16vec_nonuniform(<2 x i84> %X) {
define <2 x i1> @test16vec_undef(<2 x i84> %X) {
; CHECK-LABEL: @test16vec_undef(
-; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i84> [[X:%.*]], <i84 16, i84 poison>
+; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i84> [[X:%.*]], <i84 16, i84 undef>
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i84> [[TMP1]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
diff --git a/llvm/test/Transforms/InstCombine/canonicalize-ashr-shl-to-masking.ll b/llvm/test/Transforms/InstCombine/canonicalize-ashr-shl-to-masking.ll
index 8d29372c3a72..ba0d32ee3768 100644
--- a/llvm/test/Transforms/InstCombine/canonicalize-ashr-shl-to-masking.ll
+++ b/llvm/test/Transforms/InstCombine/canonicalize-ashr-shl-to-masking.ll
@@ -418,7 +418,7 @@ define <3 x i8> @positive_sameconst_vec_undef1(<3 x i8> %x) {
define <3 x i8> @positive_sameconst_vec_undef2(<3 x i8> %x) {
; CHECK-LABEL: @positive_sameconst_vec_undef2(
-; CHECK-NEXT: [[RET:%.*]] = and <3 x i8> [[X:%.*]], <i8 -8, i8 poison, i8 -8>
+; CHECK-NEXT: [[RET:%.*]] = and <3 x i8> [[X:%.*]], <i8 -8, i8 undef, i8 -8>
; CHECK-NEXT: ret <3 x i8> [[RET]]
;
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 undef, i8 3>
diff --git a/llvm/test/Transforms/InstCombine/canonicalize-lshr-shl-to-masking.ll b/llvm/test/Transforms/InstCombine/canonicalize-lshr-shl-to-masking.ll
index 40bc4aaab21c..445f6406b3d2 100644
--- a/llvm/test/Transforms/InstCombine/canonicalize-lshr-shl-to-masking.ll
+++ b/llvm/test/Transforms/InstCombine/canonicalize-lshr-shl-to-masking.ll
@@ -418,7 +418,7 @@ define <3 x i8> @positive_sameconst_vec_undef1(<3 x i8> %x) {
define <3 x i8> @positive_sameconst_vec_undef2(<3 x i8> %x) {
; CHECK-LABEL: @positive_sameconst_vec_undef2(
-; CHECK-NEXT: [[RET:%.*]] = and <3 x i8> [[X:%.*]], <i8 -8, i8 poison, i8 -8>
+; CHECK-NEXT: [[RET:%.*]] = and <3 x i8> [[X:%.*]], <i8 -8, i8 undef, i8 -8>
; CHECK-NEXT: ret <3 x i8> [[RET]]
;
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 undef, i8 3>
diff --git a/llvm/test/Transforms/InstCombine/canonicalize-shl-lshr-to-masking.ll b/llvm/test/Transforms/InstCombine/canonicalize-shl-lshr-to-masking.ll
index 45aa22aa808f..9de0b337de28 100644
--- a/llvm/test/Transforms/InstCombine/canonicalize-shl-lshr-to-masking.ll
+++ b/llvm/test/Transforms/InstCombine/canonicalize-shl-lshr-to-masking.ll
@@ -171,7 +171,7 @@ define <3 x i32> @positive_sameconst_vec_undef1(<3 x i32> %x) {
define <3 x i32> @positive_sameconst_vec_undef2(<3 x i32> %x) {
; CHECK-LABEL: @positive_sameconst_vec_undef2(
-; CHECK-NEXT: [[RET:%.*]] = and <3 x i32> [[X:%.*]], <i32 134217727, i32 poison, i32 134217727>
+; CHECK-NEXT: [[RET:%.*]] = and <3 x i32> [[X:%.*]], <i32 134217727, i32 undef, i32 134217727>
; CHECK-NEXT: ret <3 x i32> [[RET]]
;
%tmp0 = shl <3 x i32> %x, <i32 5, i32 undef, i32 5>
diff --git a/llvm/test/Transforms/InstCombine/icmp.ll b/llvm/test/Transforms/InstCombine/icmp.ll
index b48466e678d8..5e6bed4e280f 100644
--- a/llvm/test/Transforms/InstCombine/icmp.ll
+++ b/llvm/test/Transforms/InstCombine/icmp.ll
@@ -2876,7 +2876,7 @@ define <2 x i1> @icmp_and_or_lshr_cst_vec_nonuniform(<2 x i32> %x) {
define <2 x i1> @icmp_and_or_lshr_cst_vec_undef(<2 x i32> %x) {
; CHECK-LABEL: @icmp_and_or_lshr_cst_vec_undef(
-; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X:%.*]], <i32 3, i32 poison>
+; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X:%.*]], <i32 3, i32 -1>
; CHECK-NEXT: [[RET:%.*]] = icmp ne <2 x i32> [[TMP1]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[RET]]
;
@@ -2920,7 +2920,7 @@ define <2 x i1> @icmp_and_or_lshr_cst_vec_nonuniform_commute(<2 x i32> %xp) {
define <2 x i1> @icmp_and_or_lshr_cst_vec_undef_commute(<2 x i32> %xp) {
; CHECK-LABEL: @icmp_and_or_lshr_cst_vec_undef_commute(
; CHECK-NEXT: [[X:%.*]] = srem <2 x i32> [[XP:%.*]], <i32 42, i32 42>
-; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X]], <i32 3, i32 poison>
+; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X]], <i32 3, i32 -1>
; CHECK-NEXT: [[RET:%.*]] = icmp ne <2 x i32> [[TMP1]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[RET]]
;
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-a.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-a.ll
index e49c381fcd16..89c16a0949e8 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-a.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-a.ll
@@ -103,7 +103,7 @@ define <8 x i32> @t2_vec_splat_undef(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T4]]
-; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T7]]
;
%t0 = add <8 x i32> %nbits, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef, i32 -1>
@@ -138,7 +138,7 @@ define <8 x i32> @t3_vec_nonsplat(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T4]]
-; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 poison, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1>
+; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 undef, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1>
; CHECK-NEXT: ret <8 x i32> [[T7]]
;
%t0 = add <8 x i32> %nbits, <i32 -33, i32 -32, i32 -31, i32 -1, i32 0, i32 1, i32 31, i32 32>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-b.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-b.ll
index 20f38deeb0d5..8aef637c6a74 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-b.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-b.ll
@@ -103,7 +103,7 @@ define <8 x i32> @t2_vec_splat_undef(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T4]]
-; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T7]]
;
%t0 = add <8 x i32> %nbits, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef, i32 -1>
@@ -138,7 +138,7 @@ define <8 x i32> @t3_vec_nonsplat(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T4]]
-; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 poison, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1>
+; CHECK-NEXT: [[T7:%.*]] = and <8 x i32> [[TMP2]], <i32 undef, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1>
; CHECK-NEXT: ret <8 x i32> [[T7]]
;
%t0 = add <8 x i32> %nbits, <i32 -33, i32 -32, i32 -31, i32 -1, i32 0, i32 1, i32 31, i32 32>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-c.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-c.ll
index 562280391c5e..61f25e6ca0b1 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-c.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-c.ll
@@ -83,7 +83,7 @@ define <8 x i32> @t2_vec_splat_undef(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T2]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = zext <8 x i32> %nbits to <8 x i64>
@@ -110,7 +110,7 @@ define <8 x i32> @t3_vec_nonsplat(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T2]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 poison, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 poison, i32 poison>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 undef, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 undef, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = zext <8 x i32> %nbits to <8 x i64>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-d.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-d.ll
index aa644e6264e4..077bb8296f3e 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-d.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-d.ll
@@ -93,7 +93,7 @@ define <8 x i32> @t2_vec_splat_undef(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T3]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T3]]
-; CHECK-NEXT: [[T6:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T6:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T6]]
;
%t0 = zext <8 x i32> %nbits to <8 x i64>
@@ -124,7 +124,7 @@ define <8 x i32> @t3_vec_nonsplat(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T3]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X:%.*]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T3]]
-; CHECK-NEXT: [[T6:%.*]] = and <8 x i32> [[TMP2]], <i32 poison, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 poison, i32 poison>
+; CHECK-NEXT: [[T6:%.*]] = and <8 x i32> [[TMP2]], <i32 undef, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 undef, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T6]]
;
%t0 = zext <8 x i32> %nbits to <8 x i64>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-e.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-e.ll
index f2aa2894e27a..961ea5e48416 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-e.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-after-truncation-variant-e.ll
@@ -83,7 +83,7 @@ define <8 x i32> @t2_vec_splat_undef(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T2]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = zext <8 x i32> %nbits to <8 x i64>
@@ -110,7 +110,7 @@ define <8 x i32> @t3_vec_nonsplat(<8 x i64> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = trunc <8 x i64> [[X]] to <8 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = shl <8 x i32> [[TMP1]], [[T2]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 poison, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 poison, i32 poison>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP2]], <i32 undef, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 undef, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = zext <8 x i32> %nbits to <8 x i64>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-a.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-a.ll
index 882117fe3480..41a71aa98f40 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-a.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-a.ll
@@ -82,7 +82,7 @@ define <8 x i32> @t1_vec_splat_undef(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T4]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = add <8 x i32> %nbits, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef, i32 -1>
@@ -109,7 +109,7 @@ define <8 x i32> @t2_vec_nonsplat(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T4]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 poison, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 poison>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 undef, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = add <8 x i32> %nbits, <i32 -33, i32 -32, i32 -31, i32 -1, i32 0, i32 1, i32 31, i32 32>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-b.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-b.ll
index e92875d79207..787135229148 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-b.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-b.ll
@@ -82,7 +82,7 @@ define <8 x i32> @t1_vec_splat_undef(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T4]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = add <8 x i32> %nbits, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef, i32 -1>
@@ -109,7 +109,7 @@ define <8 x i32> @t2_vec_nonsplat(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T4]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T4]]
-; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 poison, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 poison>
+; CHECK-NEXT: [[T5:%.*]] = and <8 x i32> [[TMP1]], <i32 undef, i32 0, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T5]]
;
%t0 = add <8 x i32> %nbits, <i32 -33, i32 -32, i32 -31, i32 -1, i32 0, i32 1, i32 31, i32 32>
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-c.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-c.ll
index b8066cef2b40..c0959d9e1ac6 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-c.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-c.ll
@@ -62,7 +62,7 @@ define <8 x i32> @t1_vec_splat_undef(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T0]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T2]]
-; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T3]]
;
%t0 = lshr <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef, i32 -1>, %nbits
@@ -81,7 +81,7 @@ define <8 x i32> @t1_vec_nonsplat(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T0]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T2]]
-; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 poison, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1, i32 poison>
+; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 undef, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T3]]
;
%t0 = lshr <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, %nbits
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-d.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-d.ll
index 20b322c0b647..5e0f0be2b1ad 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-d.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-d.ll
@@ -72,7 +72,7 @@ define <8 x i32> @t2_vec_splat_undef(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T1]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T3]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T3]]
-; CHECK-NEXT: [[T4:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T4:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T4]]
;
%t0 = shl <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef, i32 -1>, %nbits
@@ -95,7 +95,7 @@ define <8 x i32> @t2_vec_nonsplat(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T1]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T3]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X:%.*]], [[T3]]
-; CHECK-NEXT: [[T4:%.*]] = and <8 x i32> [[TMP1]], <i32 poison, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1, i32 poison>
+; CHECK-NEXT: [[T4:%.*]] = and <8 x i32> [[TMP1]], <i32 undef, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T4]]
;
%t0 = shl <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, %nbits
diff --git a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-e.ll b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-e.ll
index 46f5b0c2f213..2e335f0083c1 100644
--- a/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-e.ll
+++ b/llvm/test/Transforms/InstCombine/partally-redundant-left-shift-input-masking-variant-e.ll
@@ -62,7 +62,7 @@ define <8 x i32> @t1_vec_splat_undef(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T0]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X]], [[T2]]
-; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 poison, i32 2147483647>
+; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647, i32 undef, i32 2147483647>
; CHECK-NEXT: ret <8 x i32> [[T3]]
;
%t0 = shl <8 x i32> %x, %nbits
@@ -81,7 +81,7 @@ define <8 x i32> @t1_vec_nonsplat(<8 x i32> %x, <8 x i32> %nbits) {
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T0]])
; CHECK-NEXT: call void @use8xi32(<8 x i32> [[T2]])
; CHECK-NEXT: [[TMP1:%.*]] = shl <8 x i32> [[X]], [[T2]]
-; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 poison, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1, i32 poison>
+; CHECK-NEXT: [[T3:%.*]] = and <8 x i32> [[TMP1]], <i32 undef, i32 1, i32 2147483647, i32 -1, i32 -1, i32 -1, i32 -1, i32 undef>
; CHECK-NEXT: ret <8 x i32> [[T3]]
;
%t0 = shl <8 x i32> %x, %nbits
diff --git a/llvm/test/Transforms/InstCombine/select-of-bittest.ll b/llvm/test/Transforms/InstCombine/select-of-bittest.ll
index c85bcba82e97..d9bef00b2f78 100644
--- a/llvm/test/Transforms/InstCombine/select-of-bittest.ll
+++ b/llvm/test/Transforms/InstCombine/select-of-bittest.ll
@@ -82,7 +82,7 @@ define <2 x i32> @and_lshr_and_vec_v2(<2 x i32> %arg) {
define <3 x i32> @and_lshr_and_vec_undef(<3 x i32> %arg) {
; CHECK-LABEL: @and_lshr_and_vec_undef(
-; CHECK-NEXT: [[TMP1:%.*]] = and <3 x i32> [[ARG:%.*]], <i32 3, i32 poison, i32 3>
+; CHECK-NEXT: [[TMP1:%.*]] = and <3 x i32> [[ARG:%.*]], <i32 3, i32 undef, i32 3>
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <3 x i32> [[TMP1]], zeroinitializer
; CHECK-NEXT: [[TMP4:%.*]] = zext <3 x i1> [[TMP2]] to <3 x i32>
; CHECK-NEXT: ret <3 x i32> [[TMP4]]
@@ -91,7 +91,6 @@ define <3 x i32> @and_lshr_and_vec_undef(<3 x i32> %arg) {
%tmp1 = icmp eq <3 x i32> %tmp, <i32 0, i32 undef, i32 0>
%tmp2 = lshr <3 x i32> %arg, <i32 1, i32 undef, i32 1>
%tmp3 = and <3 x i32> %tmp2, <i32 1, i32 undef, i32 1>
- ; The second element of %tmp4 is poison because it is (undef ? poison : undef).
%tmp4 = select <3 x i1> %tmp1, <3 x i32> %tmp3, <3 x i32> <i32 1, i32 undef, i32 1>
ret <3 x i32> %tmp4
}
@@ -223,7 +222,7 @@ define <2 x i32> @f_var0_vec(<2 x i32> %arg, <2 x i32> %arg1) {
define <3 x i32> @f_var0_vec_undef(<3 x i32> %arg, <3 x i32> %arg1) {
; CHECK-LABEL: @f_var0_vec_undef(
-; CHECK-NEXT: [[TMP1:%.*]] = or <3 x i32> [[ARG1:%.*]], <i32 2, i32 poison, i32 2>
+; CHECK-NEXT: [[TMP1:%.*]] = or <3 x i32> [[ARG1:%.*]], <i32 2, i32 undef, i32 2>
; CHECK-NEXT: [[TMP2:%.*]] = and <3 x i32> [[TMP1]], [[ARG:%.*]]
; CHECK-NEXT: [[TMP3:%.*]] = icmp ne <3 x i32> [[TMP2]], zeroinitializer
; CHECK-NEXT: [[TMP5:%.*]] = zext <3 x i1> [[TMP3]] to <3 x i32>
@@ -233,7 +232,6 @@ define <3 x i32> @f_var0_vec_undef(<3 x i32> %arg, <3 x i32> %arg1) {
%tmp2 = icmp eq <3 x i32> %tmp, <i32 0, i32 undef, i32 0>
%tmp3 = lshr <3 x i32> %arg, <i32 1, i32 undef, i32 1>
%tmp4 = and <3 x i32> %tmp3, <i32 1, i32 undef, i32 1>
- ; The second element of %tmp5 is poison because it is (undef ? poison : undef).
%tmp5 = select <3 x i1> %tmp2, <3 x i32> %tmp4, <3 x i32> <i32 1, i32 undef, i32 1>
ret <3 x i32> %tmp5
}
diff --git a/llvm/test/Transforms/InstCombine/shift-add.ll b/llvm/test/Transforms/InstCombine/shift-add.ll
index eea8b7a074d7..e227274f4930 100644
--- a/llvm/test/Transforms/InstCombine/shift-add.ll
+++ b/llvm/test/Transforms/InstCombine/shift-add.ll
@@ -40,7 +40,7 @@ define i32 @lshr_C1_add_A_C2_i32(i32 %A) {
define <4 x i32> @shl_C1_add_A_C2_v4i32(<4 x i16> %A) {
; CHECK-LABEL: @shl_C1_add_A_C2_v4i32(
; CHECK-NEXT: [[B:%.*]] = zext <4 x i16> [[A:%.*]] to <4 x i32>
-; CHECK-NEXT: [[D:%.*]] = shl <4 x i32> <i32 6, i32 4, i32 poison, i32 -458752>, [[B]]
+; CHECK-NEXT: [[D:%.*]] = shl <4 x i32> <i32 6, i32 4, i32 undef, i32 -458752>, [[B]]
; CHECK-NEXT: ret <4 x i32> [[D]]
;
%B = zext <4 x i16> %A to <4 x i32>
@@ -52,7 +52,7 @@ define <4 x i32> @shl_C1_add_A_C2_v4i32(<4 x i16> %A) {
define <4 x i32> @ashr_C1_add_A_C2_v4i32(<4 x i32> %A) {
; CHECK-LABEL: @ashr_C1_add_A_C2_v4i32(
; CHECK-NEXT: [[B:%.*]] = and <4 x i32> [[A:%.*]], <i32 0, i32 15, i32 255, i32 65535>
-; CHECK-NEXT: [[D:%.*]] = ashr <4 x i32> <i32 6, i32 1, i32 poison, i32 -1>, [[B]]
+; CHECK-NEXT: [[D:%.*]] = ashr <4 x i32> <i32 6, i32 1, i32 undef, i32 -1>, [[B]]
; CHECK-NEXT: ret <4 x i32> [[D]]
;
%B = and <4 x i32> %A, <i32 0, i32 15, i32 255, i32 65535>
@@ -64,7 +64,7 @@ define <4 x i32> @ashr_C1_add_A_C2_v4i32(<4 x i32> %A) {
define <4 x i32> @lshr_C1_add_A_C2_v4i32(<4 x i32> %A) {
; CHECK-LABEL: @lshr_C1_add_A_C2_v4i32(
; CHECK-NEXT: [[B:%.*]] = and <4 x i32> [[A:%.*]], <i32 0, i32 15, i32 255, i32 65535>
-; CHECK-NEXT: [[D:%.*]] = lshr <4 x i32> <i32 6, i32 1, i32 poison, i32 65535>, [[B]]
+; CHECK-NEXT: [[D:%.*]] = lshr <4 x i32> <i32 6, i32 1, i32 undef, i32 65535>, [[B]]
; CHECK-NEXT: ret <4 x i32> [[D]]
;
%B = and <4 x i32> %A, <i32 0, i32 15, i32 255, i32 65535>
@@ -78,7 +78,7 @@ define <4 x i32> @shl_C1_add_A_C2_v4i32_splat(i16 %I) {
; CHECK-NEXT: [[A:%.*]] = zext i16 [[I:%.*]] to i32
; CHECK-NEXT: [[B:%.*]] = insertelement <4 x i32> undef, i32 [[A]], i32 0
; CHECK-NEXT: [[C:%.*]] = shufflevector <4 x i32> [[B]], <4 x i32> undef, <4 x i32> zeroinitializer
-; CHECK-NEXT: [[E:%.*]] = shl <4 x i32> <i32 6, i32 4, i32 poison, i32 -458752>, [[C]]
+; CHECK-NEXT: [[E:%.*]] = shl <4 x i32> <i32 6, i32 4, i32 undef, i32 -458752>, [[C]]
; CHECK-NEXT: ret <4 x i32> [[E]]
;
%A = zext i16 %I to i32
@@ -94,7 +94,7 @@ define <4 x i32> @ashr_C1_add_A_C2_v4i32_splat(i16 %I) {
; CHECK-NEXT: [[A:%.*]] = zext i16 [[I:%.*]] to i32
; CHECK-NEXT: [[B:%.*]] = insertelement <4 x i32> undef, i32 [[A]], i32 0
; CHECK-NEXT: [[C:%.*]] = shufflevector <4 x i32> [[B]], <4 x i32> undef, <4 x i32> zeroinitializer
-; CHECK-NEXT: [[E:%.*]] = ashr <4 x i32> <i32 6, i32 1, i32 poison, i32 -1>, [[C]]
+; CHECK-NEXT: [[E:%.*]] = ashr <4 x i32> <i32 6, i32 1, i32 undef, i32 -1>, [[C]]
; CHECK-NEXT: ret <4 x i32> [[E]]
;
%A = zext i16 %I to i32
@@ -110,7 +110,7 @@ define <4 x i32> @lshr_C1_add_A_C2_v4i32_splat(i16 %I) {
; CHECK-NEXT: [[A:%.*]] = zext i16 [[I:%.*]] to i32
; CHECK-NEXT: [[B:%.*]] = insertelement <4 x i32> undef, i32 [[A]], i32 0
; CHECK-NEXT: [[C:%.*]] = shufflevector <4 x i32> [[B]], <4 x i32> undef, <4 x i32> zeroinitializer
-; CHECK-NEXT: [[E:%.*]] = lshr <4 x i32> <i32 6, i32 1, i32 poison, i32 65535>, [[C]]
+; CHECK-NEXT: [[E:%.*]] = lshr <4 x i32> <i32 6, i32 1, i32 undef, i32 65535>, [[C]]
; CHECK-NEXT: ret <4 x i32> [[E]]
;
%A = zext i16 %I to i32
diff --git a/llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll b/llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
index 127c1692b5b8..a9a27a5df01f 100644
--- a/llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
+++ b/llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
@@ -25,7 +25,7 @@ define <4 x i64> @insertelement() {
define <4 x i64> @insertelement_undef() {
; CHECK-LABEL: @insertelement_undef(
-; CHECK-NEXT: ret <4 x i64> poison
+; CHECK-NEXT: ret <4 x i64> undef
;
%vec1 = insertelement <4 x i64> undef, i64 -1, i32 0
%vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1
diff --git a/llvm/test/Transforms/InstSimplify/ConstProp/cast.ll b/llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
index 1136151f7157..adf5e4b68a1b 100644
--- a/llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
+++ b/llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
@@ -5,7 +5,7 @@
define i8 @overflow_fptosi() {
; CHECK-LABEL: @overflow_fptosi(
-; CHECK-NEXT: ret i8 poison
+; CHECK-NEXT: ret i8 undef
;
%i = fptosi double 1.56e+02 to i8
ret i8 %i
@@ -13,7 +13,7 @@ define i8 @overflow_fptosi() {
define i8 @overflow_fptoui() {
; CHECK-LABEL: @overflow_fptoui(
-; CHECK-NEXT: ret i8 poison
+; CHECK-NEXT: ret i8 undef
;
%i = fptoui double 2.56e+02 to i8
ret i8 %i
diff --git a/llvm/test/Transforms/InstSimplify/ConstProp/poison.ll b/llvm/test/Transforms/InstSimplify/ConstProp/poison.ll
index f3fe29ff57ba..ea34bb4699e6 100644
--- a/llvm/test/Transforms/InstSimplify/ConstProp/poison.ll
+++ b/llvm/test/Transforms/InstSimplify/ConstProp/poison.ll
@@ -104,14 +104,14 @@ define void @vec_aggr_ops() {
define void @other_ops(i8 %x) {
; CHECK-LABEL: @other_ops(
-; CHECK-NEXT: call void (...) @use(i1 poison, i1 poison, i8 poison, i8 poison, i8* poison, i8* poison)
+; CHECK-NEXT: call void (...) @use(i1 poison, i1 poison, i8 poison, i8 poison, i8* poison)
; CHECK-NEXT: ret void
;
%i1 = icmp eq i8 poison, 1
%i2 = fcmp oeq float poison, 1.0
%i3 = select i1 poison, i8 1, i8 2
%i4 = select i1 true, i8 poison, i8 %x
- call void (...) @use(i1 %i1, i1 %i2, i8 %i3, i8 %i4, i8* getelementptr (i8, i8* poison, i64 1), i8* getelementptr inbounds (i8, i8* undef, i64 1))
+ call void (...) @use(i1 %i1, i1 %i2, i8 %i3, i8 %i4, i8* getelementptr (i8, i8* poison, i64 1))
ret void
}
diff --git a/llvm/test/Transforms/InstSimplify/ConstProp/shift.ll b/llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
index a7a60e562117..3e64513533ff 100644
--- a/llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
+++ b/llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
@@ -3,15 +3,15 @@
; CHECK-LABEL: shift_undef_64
define void @shift_undef_64(i64* %p) {
%r1 = lshr i64 -1, 4294967296 ; 2^32
- ; CHECK: store i64 poison
+ ; CHECK: store i64 undef
store i64 %r1, i64* %p
%r2 = ashr i64 -1, 4294967297 ; 2^32 + 1
- ; CHECK: store i64 poison
+ ; CHECK: store i64 undef
store i64 %r2, i64* %p
%r3 = shl i64 -1, 4294967298 ; 2^32 + 2
- ; CHECK: store i64 poison
+ ; CHECK: store i64 undef
store i64 %r3, i64* %p
ret void
@@ -20,15 +20,15 @@ define void @shift_undef_64(i64* %p) {
; CHECK-LABEL: shift_undef_65
define void @shift_undef_65(i65* %p) {
%r1 = lshr i65 2, 18446744073709551617
- ; CHECK: store i65 poison
+ ; CHECK: store i65 undef
store i65 %r1, i65* %p
%r2 = ashr i65 4, 18446744073709551617
- ; CHECK: store i65 poison
+ ; CHECK: store i65 undef
store i65 %r2, i65* %p
%r3 = shl i65 1, 18446744073709551617
- ; CHECK: store i65 poison
+ ; CHECK: store i65 undef
store i65 %r3, i65* %p
ret void
@@ -37,15 +37,15 @@ define void @shift_undef_65(i65* %p) {
; CHECK-LABEL: shift_undef_256
define void @shift_undef_256(i256* %p) {
%r1 = lshr i256 2, 18446744073709551617
- ; CHECK: store i256 poison
+ ; CHECK: store i256 undef
store i256 %r1, i256* %p
%r2 = ashr i256 4, 18446744073709551618
- ; CHECK: store i256 poison
+ ; CHECK: store i256 undef
store i256 %r2, i256* %p
%r3 = shl i256 1, 18446744073709551619
- ; CHECK: store i256 poison
+ ; CHECK: store i256 undef
store i256 %r3, i256* %p
ret void
@@ -54,15 +54,15 @@ define void @shift_undef_256(i256* %p) {
; CHECK-LABEL: shift_undef_511
define void @shift_undef_511(i511* %p) {
%r1 = lshr i511 -1, 1208925819614629174706276 ; 2^80 + 100
- ; CHECK: store i511 poison
+ ; CHECK: store i511 undef
store i511 %r1, i511* %p
%r2 = ashr i511 -2, 1208925819614629174706200
- ; CHECK: store i511 poison
+ ; CHECK: store i511 undef
store i511 %r2, i511* %p
%r3 = shl i511 -3, 1208925819614629174706180
- ; CHECK: store i511 poison
+ ; CHECK: store i511 undef
store i511 %r3, i511* %p
ret void
diff --git a/llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll b/llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
index 99cc2527d12e..5d0f484bc3fd 100644
--- a/llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
+++ b/llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
@@ -5,7 +5,7 @@
define <3 x i8> @shl() {
; CHECK-LABEL: @shl(
-; CHECK-NEXT: ret <3 x i8> <i8 poison, i8 0, i8 0>
+; CHECK-NEXT: ret <3 x i8> <i8 undef, i8 0, i8 0>
;
%c = shl <3 x i8> undef, <i8 undef, i8 4, i8 1>
ret <3 x i8> %c
diff --git a/llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll b/llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
index 048e8840ffd8..66e4c93e1968 100644
--- a/llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
+++ b/llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
@@ -75,7 +75,7 @@ define <vscale x 4 x float> @fmul() {
define <vscale x 4 x i32> @udiv() {
; CHECK-LABEL: @udiv(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = udiv <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
@@ -83,7 +83,7 @@ define <vscale x 4 x i32> @udiv() {
define <vscale x 4 x i32> @udiv_splat_zero() {
; CHECK-LABEL: @udiv_splat_zero(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = udiv <vscale x 4 x i32> zeroinitializer, zeroinitializer
ret <vscale x 4 x i32> %r
@@ -91,7 +91,7 @@ define <vscale x 4 x i32> @udiv_splat_zero() {
define <vscale x 4 x i32> @sdiv() {
; CHECK-LABEL: @sdiv(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = sdiv <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
@@ -107,7 +107,7 @@ define <vscale x 4 x float> @fdiv() {
define <vscale x 4 x i32> @urem() {
; CHECK-LABEL: @urem(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = urem <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
@@ -115,7 +115,7 @@ define <vscale x 4 x i32> @urem() {
define <vscale x 4 x i32> @srem() {
; CHECK-LABEL: @srem(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = srem <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
@@ -135,7 +135,7 @@ define <vscale x 4 x float> @frem() {
define <vscale x 4 x i32> @shl() {
; CHECK-LABEL: @shl(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = shl <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
@@ -143,7 +143,7 @@ define <vscale x 4 x i32> @shl() {
define <vscale x 4 x i32> @lshr() {
; CHECK-LABEL: @lshr(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = lshr <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
@@ -151,7 +151,7 @@ define <vscale x 4 x i32> @lshr() {
define <vscale x 4 x i32> @ashr() {
; CHECK-LABEL: @ashr(
-; CHECK-NEXT: ret <vscale x 4 x i32> poison
+; CHECK-NEXT: ret <vscale x 4 x i32> undef
;
%r = ashr <vscale x 4 x i32> undef, undef
ret <vscale x 4 x i32> %r
diff --git a/llvm/test/Transforms/InstSimplify/rem.ll b/llvm/test/Transforms/InstSimplify/rem.ll
index 6aaeb5c70d00..6ccb6474ce44 100644
--- a/llvm/test/Transforms/InstSimplify/rem.ll
+++ b/llvm/test/Transforms/InstSimplify/rem.ll
@@ -25,11 +25,11 @@ define <2 x i32> @zero_dividend_vector_undef_elt(<2 x i32> %A) {
ret <2 x i32> %B
}
-; Division-by-zero is poison. UB in any vector lane means the whole op is poison.
+; Division-by-zero is undef. UB in any vector lane means the whole op is undef.
define <2 x i8> @srem_zero_elt_vec_constfold(<2 x i8> %x) {
; CHECK-LABEL: @srem_zero_elt_vec_constfold(
-; CHECK-NEXT: ret <2 x i8> poison
+; CHECK-NEXT: ret <2 x i8> undef
;
%rem = srem <2 x i8> <i8 1, i8 2>, <i8 0, i8 -42>
ret <2 x i8> %rem
@@ -37,7 +37,7 @@ define <2 x i8> @srem_zero_elt_vec_constfold(<2 x i8> %x) {
define <2 x i8> @urem_zero_elt_vec_constfold(<2 x i8> %x) {
; CHECK-LABEL: @urem_zero_elt_vec_constfold(
-; CHECK-NEXT: ret <2 x i8> poison
+; CHECK-NEXT: ret <2 x i8> undef
;
%rem = urem <2 x i8> <i8 1, i8 2>, <i8 42, i8 0>
ret <2 x i8> %rem
@@ -325,28 +325,3 @@ define <2 x i32> @srem_with_sext_bool_divisor_vec(<2 x i1> %x, <2 x i32> %y) {
ret <2 x i32> %r
}
-define i8 @srem_minusone_divisor() {
-; CHECK-LABEL: @srem_minusone_divisor(
-; CHECK-NEXT: ret i8 poison
-;
- %v = srem i8 -128, -1
- ret i8 %v
-}
-
-define i32 @poison(i32 %x) {
-; CHECK-LABEL: @poison(
-; CHECK-NEXT: ret i32 poison
-;
- %v = urem i32 %x, poison
- ret i32 %v
-}
-
-; TODO: this should be poison
-
-define i32 @poison2(i32 %x) {
-; CHECK-LABEL: @poison2(
-; CHECK-NEXT: ret i32 0
-;
- %v = urem i32 poison, %x
- ret i32 %v
-}
diff --git a/llvm/test/Transforms/SROA/phi-gep.ll b/llvm/test/Transforms/SROA/phi-gep.ll
index 915ae546beda..6bf2a7718658 100644
--- a/llvm/test/Transforms/SROA/phi-gep.ll
+++ b/llvm/test/Transforms/SROA/phi-gep.ll
@@ -348,7 +348,7 @@ define void @test_sroa_gep_phi_select_same_block() {
; CHECK-NEXT: [[PHI:%.*]] = phi %pair* [ [[ALLOCA]], [[ENTRY:%.*]] ], [ [[SELECT:%.*]], [[WHILE_BODY]] ]
; CHECK-NEXT: [[SELECT]] = select i1 undef, %pair* [[PHI]], %pair* undef
; CHECK-NEXT: [[PHI_SROA_GEP:%.*]] = getelementptr inbounds [[PAIR]], %pair* [[PHI]], i64 1
-; CHECK-NEXT: [[SELECT_SROA_SEL:%.*]] = select i1 undef, %pair* [[PHI_SROA_GEP]], %pair* poison
+; CHECK-NEXT: [[SELECT_SROA_SEL:%.*]] = select i1 undef, %pair* [[PHI_SROA_GEP]], %pair* undef
; CHECK-NEXT: br i1 undef, label [[EXIT:%.*]], label [[WHILE_BODY]]
; CHECK: exit:
; CHECK-NEXT: unreachable
diff --git a/llvm/test/Transforms/SROA/select-gep.ll b/llvm/test/Transforms/SROA/select-gep.ll
index f69cfeb410bd..93cb3420d0af 100644
--- a/llvm/test/Transforms/SROA/select-gep.ll
+++ b/llvm/test/Transforms/SROA/select-gep.ll
@@ -83,7 +83,7 @@ define i32 @test_sroa_select_gep_undef(i1 %cond) {
; CHECK-LABEL: @test_sroa_select_gep_undef(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[A_SROA_0:%.*]] = alloca i32, align 4
-; CHECK-NEXT: [[SELECT_SROA_SEL:%.*]] = select i1 [[COND:%.*]], i32* [[A_SROA_0]], i32* poison
+; CHECK-NEXT: [[SELECT_SROA_SEL:%.*]] = select i1 [[COND:%.*]], i32* [[A_SROA_0]], i32* undef
; CHECK-NEXT: [[LOAD:%.*]] = load i32, i32* [[SELECT_SROA_SEL]], align 4
; CHECK-NEXT: ret i32 [[LOAD]]
;
diff --git a/llvm/unittests/IR/ConstantsTest.cpp b/llvm/unittests/IR/ConstantsTest.cpp
index 9eabc7c55638..96d3672647e8 100644
--- a/llvm/unittests/IR/ConstantsTest.cpp
+++ b/llvm/unittests/IR/ConstantsTest.cpp
@@ -27,7 +27,7 @@ TEST(ConstantsTest, Integer_i1) {
Constant* Zero = ConstantInt::get(Int1, 0);
Constant* NegOne = ConstantInt::get(Int1, static_cast<uint64_t>(-1), true);
EXPECT_EQ(NegOne, ConstantInt::getSigned(Int1, -1));
- Constant* Poison = PoisonValue::get(Int1);
+ Constant* Undef = UndefValue::get(Int1);
// Input: @b = constant i1 add(i1 1 , i1 1)
// Output: @b = constant i1 false
@@ -53,21 +53,21 @@ TEST(ConstantsTest, Integer_i1) {
// @g = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getSub(One, One));
- // @h = constant i1 shl(i1 1 , i1 1) ; poison
- // @h = constant i1 poison
- EXPECT_EQ(Poison, ConstantExpr::getShl(One, One));
+ // @h = constant i1 shl(i1 1 , i1 1) ; undefined
+ // @h = constant i1 undef
+ EXPECT_EQ(Undef, ConstantExpr::getShl(One, One));
// @i = constant i1 shl(i1 1 , i1 0)
// @i = constant i1 true
EXPECT_EQ(One, ConstantExpr::getShl(One, Zero));
- // @j = constant i1 lshr(i1 1, i1 1) ; poison
- // @j = constant i1 poison
- EXPECT_EQ(Poison, ConstantExpr::getLShr(One, One));
+ // @j = constant i1 lshr(i1 1, i1 1) ; undefined
+ // @j = constant i1 undef
+ EXPECT_EQ(Undef, ConstantExpr::getLShr(One, One));
- // @m = constant i1 ashr(i1 1, i1 1) ; poison
- // @m = constant i1 poison
- EXPECT_EQ(Poison, ConstantExpr::getAShr(One, One));
+ // @m = constant i1 ashr(i1 1, i1 1) ; undefined
+ // @m = constant i1 undef
+ EXPECT_EQ(Undef, ConstantExpr::getAShr(One, One));
// @n = constant i1 mul(i1 -1, i1 1)
// @n = constant i1 true
@@ -218,6 +218,7 @@ TEST(ConstantsTest, AsInstructionsTest) {
Constant *Elt = ConstantInt::get(Int16Ty, 2015);
Constant *Poison16 = PoisonValue::get(Int16Ty);
Constant *Undef64 = UndefValue::get(Int64Ty);
+ Constant *UndefV16 = UndefValue::get(P6->getType());
Constant *PoisonV16 = PoisonValue::get(P6->getType());
#define P0STR "ptrtoint (i32** @dummy to i32)"
@@ -294,8 +295,8 @@ TEST(ConstantsTest, AsInstructionsTest) {
EXPECT_EQ(Elt, ConstantExpr::getExtractElement(
ConstantExpr::getInsertElement(P6, Elt, One), One));
- EXPECT_EQ(PoisonV16, ConstantExpr::getInsertElement(P6, Elt, Two));
- EXPECT_EQ(PoisonV16, ConstantExpr::getInsertElement(P6, Elt, Big));
+ EXPECT_EQ(UndefV16, ConstantExpr::getInsertElement(P6, Elt, Two));
+ EXPECT_EQ(UndefV16, ConstantExpr::getInsertElement(P6, Elt, Big));
EXPECT_EQ(PoisonV16, ConstantExpr::getInsertElement(P6, Elt, Undef64));
}