| Eli Friedman | e5a8aeb | 2012-03-22 22:36:39 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
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| 2 |
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| 3 | typedef float float4 __attribute__((ext_vector_type(4)));
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| 4 |
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| 5 | struct __attribute__((packed, aligned(4))) struct1 {
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| 6 | float4 position;
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| 7 | };
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| 8 | int x = __alignof(struct struct1);
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| 9 |
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| 10 | float4 f(struct struct1* x) { return x->position; }
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| 11 |
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| 12 | void func(struct struct1* p, float *a, float *b, float c) {
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| 13 | p->position.x = c;
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| 14 | *a = p->position.y;
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| 15 | *b = p->position[0];
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| 16 | p->position[2] = c;
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| 17 | // FIXME: We should be able to come up with a more aggressive alignment
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| 18 | // estimate.
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| 19 | // CHECK: @func
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| 20 | // CHECK: load <4 x float>* {{%.*}}, align 1
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| 21 | // CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1
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| 22 | // CHECK: load <4 x float>* {{%.*}}, align 1
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| 23 | // CHECK: load <4 x float>* {{%.*}}, align 1
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| 24 | // CHECK: load <4 x float>* {{%.*}}, align 1
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| 25 | // CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1
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| 26 | // CHECK: ret void
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| 27 | }
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