58 lines
2.8 KiB
C++
58 lines
2.8 KiB
C++
|
// RUN: %clang_cc1 -x c++ %s -O0 -triple=x86_64-apple-darwin -target-feature +avx2 -fmax-type-align=16 -emit-llvm -o - -Werror | FileCheck %s
|
||
|
|
// rdar://16254558
|
||
|
|
|
||
|
|
typedef float AVX2Float __attribute__((__vector_size__(32)));
|
||
|
|
|
||
|
|
|
||
|
|
volatile float TestAlign(void)
|
||
|
|
{
|
||
|
|
volatile AVX2Float *p = new AVX2Float;
|
||
|
|
*p = *p;
|
||
|
|
AVX2Float r = *p;
|
||
|
|
return r[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: [[R:%.*]] = alloca <8 x float>, align 32
|
||
|
|
// CHECK-NEXT: [[CALL:%.*]] = call noalias nonnull i8* @_Znwm(i64 32)
|
||
|
|
// CHECK-NEXT: [[ZERO:%.*]] = bitcast i8* [[CALL]] to <8 x float>*
|
||
|
|
// CHECK-NEXT: store <8 x float>* [[ZERO]], <8 x float>** [[P:%.*]], align 8
|
||
|
|
// CHECK-NEXT: [[ONE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8
|
||
|
|
// CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>, <8 x float>* [[ONE]], align 16
|
||
|
|
// CHECK-NEXT: [[THREE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8
|
||
|
|
// CHECK-NEXT: store volatile <8 x float> [[TWO]], <8 x float>* [[THREE]], align 16
|
||
|
|
// CHECK-NEXT: [[FOUR:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8
|
||
|
|
// CHECK-NEXT: [[FIVE:%.*]] = load volatile <8 x float>, <8 x float>* [[FOUR]], align 16
|
||
|
|
// CHECK-NEXT: store <8 x float> [[FIVE]], <8 x float>* [[R]], align 32
|
||
|
|
// CHECK-NEXT: [[SIX:%.*]] = load <8 x float>, <8 x float>* [[R]], align 32
|
||
|
|
// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0
|
||
|
|
// CHECK-NEXT: ret float [[VECEXT]]
|
||
|
|
|
||
|
|
typedef float AVX2Float_Explicitly_aligned __attribute__((__vector_size__(32))) __attribute__((aligned (32)));
|
||
|
|
|
||
|
|
typedef AVX2Float_Explicitly_aligned AVX2Float_indirect;
|
||
|
|
|
||
|
|
typedef AVX2Float_indirect AVX2Float_use_existing_align;
|
||
|
|
|
||
|
|
volatile float TestAlign2(void)
|
||
|
|
{
|
||
|
|
volatile AVX2Float_use_existing_align *p = new AVX2Float_use_existing_align;
|
||
|
|
*p = *p;
|
||
|
|
AVX2Float_use_existing_align r = *p;
|
||
|
|
return r[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: [[R:%.*]] = alloca <8 x float>, align 32
|
||
|
|
// CHECK-NEXT: [[CALL:%.*]] = call noalias nonnull i8* @_Znwm(i64 32)
|
||
|
|
// CHECK-NEXT: [[ZERO:%.*]] = bitcast i8* [[CALL]] to <8 x float>*
|
||
|
|
// CHECK-NEXT: store <8 x float>* [[ZERO]], <8 x float>** [[P:%.*]], align 8
|
||
|
|
// CHECK-NEXT: [[ONE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8
|
||
|
|
// CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>, <8 x float>* [[ONE]], align 32
|
||
|
|
// CHECK-NEXT: [[THREE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8
|
||
|
|
// CHECK-NEXT: store volatile <8 x float> [[TWO]], <8 x float>* [[THREE]], align 32
|
||
|
|
// CHECK-NEXT: [[FOUR:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8
|
||
|
|
// CHECK-NEXT: [[FIVE:%.*]] = load volatile <8 x float>, <8 x float>* [[FOUR]], align 32
|
||
|
|
// CHECK-NEXT: store <8 x float> [[FIVE]], <8 x float>* [[R]], align 32
|
||
|
|
// CHECK-NEXT: [[SIX:%.*]] = load <8 x float>, <8 x float>* [[R]], align 32
|
||
|
|
// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0
|
||
|
|
// CHECK-NEXT: ret float [[VECEXT]]
|