| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1 | // 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 |
| 2 | // rdar://16254558 |
| 3 | |
| 4 | typedef float AVX2Float __attribute__((__vector_size__(32))); |
| 5 | |
| 6 | |
| 7 | volatile float TestAlign(void) |
| 8 | { |
| 9 | volatile AVX2Float *p = new AVX2Float; |
| 10 | *p = *p; |
| 11 | AVX2Float r = *p; |
| 12 | return r[0]; |
| 13 | } |
| 14 | |
| 15 | // CHECK: [[R:%.*]] = alloca <8 x float>, align 32 |
| 16 | // CHECK-NEXT: [[CALL:%.*]] = call noalias i8* @_Znwm(i64 32) |
| 17 | // CHECK-NEXT: [[ZERO:%.*]] = bitcast i8* [[CALL]] to <8 x float>* |
| 18 | // CHECK-NEXT: store <8 x float>* [[ZERO]], <8 x float>** [[P:%.*]], align 8 |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 19 | // CHECK-NEXT: [[ONE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8 |
| 20 | // CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>, <8 x float>* [[ONE]], align 16 |
| 21 | // CHECK-NEXT: [[THREE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8 |
| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 22 | // CHECK-NEXT: store volatile <8 x float> [[TWO]], <8 x float>* [[THREE]], align 16 |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 23 | // CHECK-NEXT: [[FOUR:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8 |
| 24 | // CHECK-NEXT: [[FIVE:%.*]] = load volatile <8 x float>, <8 x float>* [[FOUR]], align 16 |
| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 25 | // CHECK-NEXT: store <8 x float> [[FIVE]], <8 x float>* [[R]], align 32 |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 26 | // CHECK-NEXT: [[SIX:%.*]] = load <8 x float>, <8 x float>* [[R]], align 32 |
| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 27 | // CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0 |
| 28 | // CHECK-NEXT: ret float [[VECEXT]] |
| 29 | |
| 30 | typedef float AVX2Float_Explicitly_aligned __attribute__((__vector_size__(32))) __attribute__((aligned (32))); |
| 31 | |
| 32 | typedef AVX2Float_Explicitly_aligned AVX2Float_indirect; |
| 33 | |
| 34 | typedef AVX2Float_indirect AVX2Float_use_existing_align; |
| 35 | |
| 36 | volatile float TestAlign2(void) |
| 37 | { |
| 38 | volatile AVX2Float_use_existing_align *p = new AVX2Float_use_existing_align; |
| 39 | *p = *p; |
| 40 | AVX2Float_use_existing_align r = *p; |
| 41 | return r[0]; |
| 42 | } |
| 43 | |
| 44 | // CHECK: [[R:%.*]] = alloca <8 x float>, align 32 |
| 45 | // CHECK-NEXT: [[CALL:%.*]] = call noalias i8* @_Znwm(i64 32) |
| 46 | // CHECK-NEXT: [[ZERO:%.*]] = bitcast i8* [[CALL]] to <8 x float>* |
| 47 | // CHECK-NEXT: store <8 x float>* [[ZERO]], <8 x float>** [[P:%.*]], align 8 |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 48 | // CHECK-NEXT: [[ONE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8 |
| 49 | // CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>, <8 x float>* [[ONE]], align 32 |
| 50 | // CHECK-NEXT: [[THREE:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8 |
| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 51 | // CHECK-NEXT: store volatile <8 x float> [[TWO]], <8 x float>* [[THREE]], align 32 |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 52 | // CHECK-NEXT: [[FOUR:%.*]] = load <8 x float>*, <8 x float>** [[P]], align 8 |
| 53 | // CHECK-NEXT: [[FIVE:%.*]] = load volatile <8 x float>, <8 x float>* [[FOUR]], align 32 |
| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 54 | // CHECK-NEXT: store <8 x float> [[FIVE]], <8 x float>* [[R]], align 32 |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 55 | // CHECK-NEXT: [[SIX:%.*]] = load <8 x float>, <8 x float>* [[R]], align 32 |
| Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 56 | // CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0 |
| 57 | // CHECK-NEXT: ret float [[VECEXT]] |