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cfe/trunk/test/CodeGenCXX/builtin-bit-cast-no-tbaa.cpp
| // RUN: %clang_cc1 -O3 -std=c++2a -S -emit-llvm -o - -disable-llvm-passes -triple x86_64-apple-macos10.14 %s | FileCheck %s | |||||
| void test_scalar() { | |||||
| // CHECK-LABEL: define void @_Z11test_scalarv | |||||
| __builtin_bit_cast(float, 42); | |||||
| // CHECK: load float, float* {{.*}}, align 4, !tbaa ![[MAY_ALIAS_TBAA:.*]] | |||||
| } | |||||
| void test_scalar2() { | |||||
| // CHECK-LABEL: define void @_Z12test_scalar2v | |||||
| struct S {int m;}; | |||||
| __builtin_bit_cast(int, S{42}); | |||||
| // CHECK: load i32, i32* {{.*}}, align 4, !tbaa ![[MAY_ALIAS_TBAA]] | |||||
| } | |||||
| // CHECK: ![[CHAR_TBAA:.*]] = !{!"omnipotent char", {{.*}}, i64 0} | |||||
| // CHECK: ![[MAY_ALIAS_TBAA]] = !{![[CHAR_TBAA]], ![[CHAR_TBAA]], i64 0} | |||||