clang/test/CodeGen/tbaa-matrix.c

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
// RUN: %clang_cc1 -O1 -fenable-matrix -triple x86_64-linux \
// RUN:     -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
//
// Check that we generate correct TBAA information for accesses to matrix types.

typedef double dx5x5_t __attribute__((matrix_type(5, 5)));
typedef float fx2x3_t __attribute__((matrix_type(2, 3)));
typedef int ix3x3_t __attribute__((matrix_type(3, 3)));

// CHECK-LABEL: define dso_local void @load_double_matrix(
// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[B_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5:![0-9]+]]
// CHECK-NEXT:    store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP1:%.*]] = load <25 x double>, ptr [[TMP0]], align 8, !tbaa [[DOUBLE_TBAA7:![0-9]+]]
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store <25 x double> [[TMP1]], ptr [[TMP2]], align 8, !tbaa [[DOUBLE_TBAA7]]
// CHECK-NEXT:    ret void
//
void load_double_matrix(dx5x5_t *a, dx5x5_t *b) {
  *b = *a;
}

// CHECK-LABEL: define dso_local void @load_float_matrix(
// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[B_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP1:%.*]] = load <6 x float>, ptr [[TMP0]], align 4, !tbaa [[FLOAT_TBAA9:![0-9]+]]
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store <6 x float> [[TMP1]], ptr [[TMP2]], align 4, !tbaa [[FLOAT_TBAA9]]
// CHECK-NEXT:    ret void
//
void load_float_matrix(fx2x3_t *a, fx2x3_t *b) {
  *b = *a;
}

// CHECK-LABEL: define dso_local void @load_int_matrix(
// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[B_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP1:%.*]] = load <9 x i32>, ptr [[TMP0]], align 4, !tbaa [[INT_TBAA1:![0-9]+]]
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store <9 x i32> [[TMP1]], ptr [[TMP2]], align 4, !tbaa [[INT_TBAA1]]
// CHECK-NEXT:    ret void
//
void load_int_matrix(ix3x3_t *a, ix3x3_t *b) {
  *b = *a;
}

// Verify that matrix and scalar accesses to the same element type share the
// same TBAA tag.
// CHECK-LABEL: define dso_local void @load_double_matrix_and_scalar(
// CHECK-SAME: ptr noundef [[M:%.*]], ptr noundef [[S:%.*]]) #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[M_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[S_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[LOCAL:%.*]] = alloca [25 x double], align 8
// CHECK-NEXT:    [[D:%.*]] = alloca double, align 8
// CHECK-NEXT:    store ptr [[M]], ptr [[M_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store ptr [[S]], ptr [[S_ADDR]], align 8, !tbaa [[DOUBLEPTR_TBAA11:![0-9]+]]
// CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[LOCAL]]) #[[ATTR2:[0-9]+]]
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[M_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP1:%.*]] = load <25 x double>, ptr [[TMP0]], align 8, !tbaa [[DOUBLE_TBAA7]]
// CHECK-NEXT:    store <25 x double> [[TMP1]], ptr [[LOCAL]], align 8, !tbaa [[DOUBLE_TBAA7]]
// CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[D]]) #[[ATTR2]]
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[S_ADDR]], align 8, !tbaa [[DOUBLEPTR_TBAA11]]
// CHECK-NEXT:    [[TMP3:%.*]] = load double, ptr [[TMP2]], align 8, !tbaa [[DOUBLE_TBAA7]]
// CHECK-NEXT:    store double [[TMP3]], ptr [[D]], align 8, !tbaa [[DOUBLE_TBAA7]]
// CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[D]]) #[[ATTR2]]
// CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[LOCAL]]) #[[ATTR2]]
// CHECK-NEXT:    ret void
//
void load_double_matrix_and_scalar(dx5x5_t *m, double *s) {
  dx5x5_t local = *m;
  double d = *s;
}

// Verify that may_alias on the element type is respected for matrix types.
typedef int __attribute__((may_alias)) aliasing_int;
typedef aliasing_int __attribute__((matrix_type(2, 2))) aim_t;

// CHECK-LABEL: define dso_local void @load_may_alias_matrix(
// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[B_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i32>, ptr [[TMP0]], align 4, !tbaa [[INT_TBAA1]]
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]]
// CHECK-NEXT:    store <4 x i32> [[TMP1]], ptr [[TMP2]], align 4, !tbaa [[INT_TBAA1]]
// CHECK-NEXT:    ret void
//
void load_may_alias_matrix(aim_t *a, aim_t *b) {
  *b = *a;
}

//.
// CHECK: [[INT_TBAA1]] = !{[[META2:![0-9]+]], [[META2]], i64 0}
// CHECK: [[META2]] = !{!"int", [[META3:![0-9]+]], i64 0}
// CHECK: [[META3]] = !{!"omnipotent char", [[META4:![0-9]+]], i64 0}
// CHECK: [[META4]] = !{!"Simple C/C++ TBAA"}
// CHECK: [[ANYPTR_TBAA5]] = !{[[META6:![0-9]+]], [[META6]], i64 0}
// CHECK: [[META6]] = !{!"any pointer", [[META3]], i64 0}
// CHECK: [[DOUBLE_TBAA7]] = !{[[META8:![0-9]+]], [[META8]], i64 0}
// CHECK: [[META8]] = !{!"double", [[META3]], i64 0}
// CHECK: [[FLOAT_TBAA9]] = !{[[META10:![0-9]+]], [[META10]], i64 0}
// CHECK: [[META10]] = !{!"float", [[META3]], i64 0}
// CHECK: [[DOUBLEPTR_TBAA11]] = !{[[META12:![0-9]+]], [[META12]], i64 0}
// CHECK: [[META12]] = !{!"p1 double", [[META6]], i64 0}
//.