diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2012-04-14 14:01:31 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2012-04-14 14:01:31 +0000 |
| commit | dbe13110f59f48b4dbb7552b3ac2935acdeece7f (patch) | |
| tree | be1815eb79b42ff482a8562b13c2dcbf0c5dcbee /test/CodeGen/ext-vector-member-alignment.c | |
| parent | 9da628931ebf2609493570f87824ca22402cc65f (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/ext-vector-member-alignment.c')
| -rw-r--r-- | test/CodeGen/ext-vector-member-alignment.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/ext-vector-member-alignment.c b/test/CodeGen/ext-vector-member-alignment.c new file mode 100644 index 000000000000..49e69977fffd --- /dev/null +++ b/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 +} |