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authorDimitry Andric <dim@FreeBSD.org>2015-01-18 16:23:48 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-01-18 16:23:48 +0000
commit06d4ba388873e6d1cfa9cd715a8935ecc8cd2097 (patch)
tree3eb853da77d46cc77c4b017525a422f9ddb1385b /test/CodeGenCXX/align-avx-complete-objects.cpp
parent30d791273d07fac9c0c1641a0731191bca6e8606 (diff)
downloadsrc-test2-06d4ba388873e6d1cfa9cd715a8935ecc8cd2097.tar.gz
src-test2-06d4ba388873e6d1cfa9cd715a8935ecc8cd2097.zip
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Diffstat (limited to 'test/CodeGenCXX/align-avx-complete-objects.cpp')
-rw-r--r--test/CodeGenCXX/align-avx-complete-objects.cpp57
1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGenCXX/align-avx-complete-objects.cpp b/test/CodeGenCXX/align-avx-complete-objects.cpp
new file mode 100644
index 000000000000..25f4ef1099ac
--- /dev/null
+++ b/test/CodeGenCXX/align-avx-complete-objects.cpp
@@ -0,0 +1,57 @@
+// 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 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>** [[P]], align 8
+// CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>* [[ONE]], align 16
+// CHECK-NEXT: [[THREE:%.*]] = load <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>** [[P]], align 8
+// CHECK-NEXT: [[FIVE:%.*]] = load volatile <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>* [[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 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>** [[P]], align 8
+// CHECK-NEXT: [[TWO:%.*]] = load volatile <8 x float>* [[ONE]], align 32
+// CHECK-NEXT: [[THREE:%.*]] = load <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>** [[P]], align 8
+// CHECK-NEXT: [[FIVE:%.*]] = load volatile <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>* [[R]], align 32
+// CHECK-NEXT: [[VECEXT:%.*]] = extractelement <8 x float> [[SIX]], i32 0
+// CHECK-NEXT: ret float [[VECEXT]]