27 lines
881 B
C
27 lines
881 B
C
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
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typedef float float4 __attribute__((ext_vector_type(4)));
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struct __attribute__((packed, aligned(4))) struct1 {
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float4 position;
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};
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int x = __alignof(struct struct1);
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float4 f(struct struct1* x) { return x->position; }
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void func(struct struct1* p, float *a, float *b, float c) {
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p->position.x = c;
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*a = p->position.y;
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*b = p->position[0];
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p->position[2] = c;
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// FIXME: We should be able to come up with a more aggressive alignment
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// estimate.
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// CHECK: @func
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// CHECK: load <4 x float>* {{%.*}}, align 1
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// CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1
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// CHECK: load <4 x float>* {{%.*}}, align 1
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// CHECK: load <4 x float>* {{%.*}}, align 1
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// CHECK: load <4 x float>* {{%.*}}, align 1
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// CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1
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// CHECK: ret void
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}
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