forked from OSchip/llvm-project
21 lines
754 B
C++
21 lines
754 B
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-passes %s -emit-llvm -o - | FileCheck %s
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// Test TBAA metadata generated by front-end (vector types are always treated as mayalias).
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typedef float __m128 __attribute__ ((__vector_size__ (16)));
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struct A {
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__m128 a, b;
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};
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void foo(A *a, __m128 v) {
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// CHECK-LABEL: define{{.*}} void @_Z3fooP1ADv4_f
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a->a = v;
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// CHECK: store <4 x float> %v, <4 x float>* %{{.*}}, align 16, !tbaa [[TAG_char:!.*]]
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// CHECK: store <4 x float> %{{.*}}, <4 x float>* %{{.*}}, align 16, !tbaa [[TAG_char]]
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}
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// CHECK: [[TYPE_char:!.*]] = !{!"omnipotent char", [[TAG_cxx_tbaa:!.*]],
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// CHECK: [[TAG_cxx_tbaa]] = !{!"Simple C++ TBAA"}
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// CHECK: [[TAG_char]] = !{[[TYPE_char]], [[TYPE_char]], i64 0}
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