| commit 2b81ec3265bec26f728b1733faff9151dcd496b9 |
| Author: Jay Foad <jay.foad@amd.com> |
| Date: Fri Apr 21 13:59:13 2023 +0100 |
| |
| Revert "[ConstantFolding] Fix crash when folding vector llvm.is.fpclass" |
| |
| This reverts commit 5fc6425fb6c77052a26cf0cf7b886449fabe1af4. |
| |
| It is reported to cause other crashes that require a larger fix. |
| |
| diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp |
| index d6a760b8571e..7700c722765d 100644 |
| --- a/llvm/lib/Analysis/VectorUtils.cpp |
| +++ b/llvm/lib/Analysis/VectorUtils.cpp |
| @@ -86,7 +86,6 @@ bool llvm::isTriviallyVectorizable(Intrinsic::ID ID) { |
| case Intrinsic::pow: |
| case Intrinsic::fma: |
| case Intrinsic::fmuladd: |
| - case Intrinsic::is_fpclass: |
| case Intrinsic::powi: |
| case Intrinsic::canonicalize: |
| case Intrinsic::fptosi_sat: |
| @@ -104,7 +103,6 @@ bool llvm::isVectorIntrinsicWithScalarOpAtArg(Intrinsic::ID ID, |
| case Intrinsic::abs: |
| case Intrinsic::ctlz: |
| case Intrinsic::cttz: |
| - case Intrinsic::is_fpclass: |
| case Intrinsic::powi: |
| return (ScalarOpdIdx == 1); |
| case Intrinsic::smul_fix: |
| diff --git a/llvm/test/Transforms/InstSimplify/is_fpclass.ll b/llvm/test/Transforms/InstSimplify/is_fpclass.ll |
| deleted file mode 100644 |
| index b14bfcbbfaac..000000000000 |
| --- a/llvm/test/Transforms/InstSimplify/is_fpclass.ll |
| +++ /dev/null |
| @@ -1,12 +0,0 @@ |
| -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| -; RUN: opt < %s -S -passes=instsimplify | FileCheck %s |
| - |
| -define <2 x i1> @f() { |
| -; CHECK-LABEL: define <2 x i1> @f() { |
| -; CHECK-NEXT: ret <2 x i1> zeroinitializer |
| -; |
| - %i = call <2 x i1> @llvm.is.fpclass.v2f16(<2 x half> <half 0xH7C00, half 0xH7C00>, i32 3) |
| - ret <2 x i1> %i |
| -} |
| - |
| -declare <2 x i1> @llvm.is.fpclass.v2f16(<2 x half>, i32 immarg) |
