65 lines
3.0 KiB
C++
65 lines
3.0 KiB
C++
// RUN: %clang_cc1 %std_cxx11-14 %s -O0 -triple=x86_64-apple-darwin -target-feature +avx2 -fmax-type-align=16 -emit-llvm -o - -Werror | FileCheck %s --check-prefixes=CHECK,PRE17
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// RUN: %clang_cc1 %std_cxx17- %s -O0 -triple=x86_64-apple-darwin -target-feature +avx2 -fmax-type-align=16 -emit-llvm -o - -Werror | FileCheck %s --check-prefixes=CHECK,CXX17
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// rdar://16254558
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typedef float AVX2Float __attribute__((__vector_size__(32)));
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#if __cplusplus < 202002L
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volatile
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#endif
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float TestAlign(void)
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{
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volatile AVX2Float *p = new AVX2Float;
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*p = *p;
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AVX2Float r = *p;
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return r[0];
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}
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// CHECK: [[R:%.*]] = alloca <8 x float>, align 32
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// PRE17-NEXT: [[CALL:%.*]] = call noalias noundef nonnull ptr @_Znwm(i64 noundef 32)
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// CXX17-NEXT: [[CALL:%.*]] = call noalias noundef nonnull align 32 ptr @_ZnwmSt11align_val_t(i64 noundef 32, i64 noundef 32)
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// CHECK-NEXT: store ptr [[CALL]], ptr [[P:%.*]], align 8
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// CHECK-NEXT: [[ONE:%.*]] = load ptr, ptr [[P]], align 8
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// CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>, ptr [[ONE]], align 16
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// CHECK-NEXT: [[THREE:%.*]] = load ptr, ptr [[P]], align 8
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// CHECK-NEXT: store volatile <8 x float> [[TWO]], ptr [[THREE]], align 16
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// CHECK-NEXT: [[FOUR:%.*]] = load ptr, ptr [[P]], align 8
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// CHECK-NEXT: [[FIVE:%.*]] = load volatile <8 x float>, ptr [[FOUR]], align 16
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// CHECK-NEXT: store <8 x float> [[FIVE]], ptr [[R]], align 32
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// CHECK-NEXT: [[SIX:%.*]] = load <8 x float>, ptr [[R]], align 32
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// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0
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// CHECK-NEXT: ret float [[VECEXT]]
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typedef float AVX2Float_Explicitly_aligned __attribute__((__vector_size__(32))) __attribute__((aligned (32)));
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typedef AVX2Float_Explicitly_aligned AVX2Float_indirect;
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typedef AVX2Float_indirect AVX2Float_use_existing_align;
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#if __cplusplus < 202002L
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volatile
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#endif
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float TestAlign2(void)
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{
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volatile AVX2Float_use_existing_align *p = new AVX2Float_use_existing_align;
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*p = *p;
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AVX2Float_use_existing_align r = *p;
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return r[0];
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}
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// CHECK: [[R:%.*]] = alloca <8 x float>, align 32
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// PRE17-NEXT: [[CALL:%.*]] = call noalias noundef nonnull ptr @_Znwm(i64 noundef 32)
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// CXX17-NEXT: [[CALL:%.*]] = call noalias noundef nonnull align 32 ptr @_ZnwmSt11align_val_t(i64 noundef 32, i64 noundef 32)
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// CHECK-NEXT: store ptr [[CALL]], ptr [[P:%.*]], align 8
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// CHECK-NEXT: [[ONE:%.*]] = load ptr, ptr [[P]], align 8
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// CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>, ptr [[ONE]], align 32
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// CHECK-NEXT: [[THREE:%.*]] = load ptr, ptr [[P]], align 8
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// CHECK-NEXT: store volatile <8 x float> [[TWO]], ptr [[THREE]], align 32
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// CHECK-NEXT: [[FOUR:%.*]] = load ptr, ptr [[P]], align 8
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// CHECK-NEXT: [[FIVE:%.*]] = load volatile <8 x float>, ptr [[FOUR]], align 32
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// CHECK-NEXT: store <8 x float> [[FIVE]], ptr [[R]], align 32
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// CHECK-NEXT: [[SIX:%.*]] = load <8 x float>, ptr [[R]], align 32
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// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0
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// CHECK-NEXT: ret float [[VECEXT]]
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