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| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
| commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
| tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/ext-vector-member-alignment.c | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/ext-vector-member-alignment.c')
| -rw-r--r-- | clang/test/CodeGen/ext-vector-member-alignment.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/CodeGen/ext-vector-member-alignment.c b/clang/test/CodeGen/ext-vector-member-alignment.c new file mode 100644 index 0000000..49e6997 --- /dev/null +++ b/clang/test/CodeGen/ext-vector-member-alignment.c @@ -0,0 +1,27 @@ +// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s + +typedef float float4 __attribute__((ext_vector_type(4))); + +struct __attribute__((packed, aligned(4))) struct1 { + float4 position; +}; +int x = __alignof(struct struct1); + +float4 f(struct struct1* x) { return x->position; } + +void func(struct struct1* p, float *a, float *b, float c) { + p->position.x = c; + *a = p->position.y; + *b = p->position[0]; + p->position[2] = c; + // FIXME: We should be able to come up with a more aggressive alignment + // estimate. + // CHECK: @func + // CHECK: load <4 x float>* {{%.*}}, align 1 + // CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1 + // CHECK: load <4 x float>* {{%.*}}, align 1 + // CHECK: load <4 x float>* {{%.*}}, align 1 + // CHECK: load <4 x float>* {{%.*}}, align 1 + // CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1 + // CHECK: ret void +} |