llvm-for-llvmta/tools/clang/test/CodeGenCXX/builtin-calling-conv.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -triple x86_64-linux-pc -DREDECL -emit-llvm %s -o - | FileCheck %s -check-prefix LINUX
// RUN: %clang_cc1 -triple spir-unknown-unknown -DREDECL -DSPIR -emit-llvm %s -o - | FileCheck %s -check-prefix SPIR
// RUN: %clang_cc1 -triple x86_64-linux-pc -emit-llvm %s -o - | FileCheck %s -check-prefix LINUX
// RUN: %clang_cc1 -triple spir-unknown-unknown -DSPIR -emit-llvm %s -o - | FileCheck %s -check-prefix SPIR
// RUN: %clang_cc1 -triple i386-windows-pc -fdefault-calling-conv=stdcall -emit-llvm %s -o - | FileCheck %s -check-prefix WIN32
#ifdef REDECL
namespace std {
#ifdef SPIR
using size_t = unsigned int;
#else
using size_t = unsigned long;
#endif // SPIR
} // namespace std
float __builtin_atan2f(float, float);
void *operator new(std::size_t);
#endif // REDECL
void foo();
void user() {
int i;
::operator new(5);
(void)__builtin_atan2f(1.1, 2.2);
foo();
}
// LINUX: define{{.*}} void @_Z4userv()
// LINUX: call noalias nonnull i8* @_Znwm
// LINUX: call float @atan2f
// LINUX: call void @_Z3foov
// LINUX: declare nonnull i8* @_Znwm(i64)
// LINUX: declare float @atan2f(float, float)
// LINUX: declare void @_Z3foov()
// SPIR: define{{.*}} spir_func void @_Z4userv()
// SPIR: call spir_func noalias nonnull i8* @_Znwj
// SPIR: call spir_func float @atan2f
// SPIR: call spir_func void @_Z3foov
// SPIR: declare spir_func nonnull i8* @_Znwj(i32)
// SPIR: declare spir_func float @atan2f(float, float)
// SPIR: declare spir_func void @_Z3foov()
// Note: Windows /G options should not change the platform default calling
// convention of builtins.
// WIN32: define dso_local x86_stdcallcc void @"?user@@YGXXZ"()
// WIN32: call noalias nonnull i8* @"??2@YAPAXI@Z"
// WIN32: call float @atan2f
// WIN32: call x86_stdcallcc void @"?foo@@YGXXZ"
// WIN32: declare dso_local nonnull i8* @"??2@YAPAXI@Z"(
// WIN32: declare dso_local float @atan2f(float, float)
// WIN32: declare dso_local x86_stdcallcc void @"?foo@@YGXXZ"()