Use erff instead of atan2 for builtin calling convention check

Author: tex3d

clang/test/CodeGenCXX/builtin-calling-conv.cpp

@@ -1,8 +1,8 @@
-// RUN: %clang_cc1 -triple x86_64-linux-pc -DREDECL -emit-llvm -fmath-errno %s -o - | FileCheck %s -check-prefix LINUX
-// RUN: %clang_cc1 -triple spir-unknown-unknown -DREDECL -DSPIR -emit-llvm -fmath-errno %s -o - | FileCheck %s -check-prefix SPIR
-// RUN: %clang_cc1 -triple x86_64-linux-pc -emit-llvm -fmath-errno %s -o - | FileCheck %s -check-prefix LINUX
-// RUN: %clang_cc1 -triple spir-unknown-unknown -DSPIR -emit-llvm -fmath-errno %s -o - | FileCheck %s -check-prefix SPIR
-// RUN: %clang_cc1 -triple i386-windows-pc -fdefault-calling-conv=stdcall -emit-llvm -fmath-errno %s -o - | FileCheck %s -check-prefix WIN32
+// 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 {
@@ -13,7 +13,7 @@ using size_t = unsigned long;
 #endif // SPIR
 } // namespace std
 
-float __builtin_atan2f(float, float);
+float __builtin_erff(float);
 void *operator new(std::size_t);
 #endif // REDECL
 
@@ -22,32 +22,32 @@ void foo();
 void user() {
   int i;
   ::operator new(5);
-  (void)__builtin_atan2f(1.1, 2.2);
+  (void)__builtin_erff(1.1);
   foo();
 }
 
 // LINUX: define{{.*}} void @_Z4userv()
 // LINUX: call noalias noundef nonnull ptr @_Znwm
-// LINUX: call float @atan2f
+// LINUX: call float @erff
 // LINUX: call void @_Z3foov
 // LINUX: declare noundef nonnull ptr @_Znwm(i64 noundef)
-// LINUX: declare float @atan2f(float noundef, float noundef)
+// LINUX: declare float @erff(float noundef)
 // LINUX: declare void @_Z3foov()
 
 // SPIR: define{{.*}} spir_func void @_Z4userv()
 // SPIR: call spir_func noalias noundef nonnull ptr @_Znwj
-// SPIR: call spir_func float @atan2f
+// SPIR: call spir_func float @erff
 // SPIR: call spir_func void @_Z3foov
 // SPIR: declare spir_func noundef nonnull ptr @_Znwj(i32 noundef)
-// SPIR: declare spir_func float @atan2f(float noundef, float noundef)
+// SPIR: declare spir_func float @erff(float noundef)
 // 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 noundef nonnull ptr @"??2@YAPAXI@Z"
-// WIN32: call float @atan2f
+// WIN32: call float @erff
 // WIN32: call x86_stdcallcc void @"?foo@@YGXXZ"
 // WIN32: declare dso_local noundef nonnull ptr @"??2@YAPAXI@Z"(
-// WIN32: declare dso_local float @atan2f(float noundef, float noundef)
+// WIN32: declare dso_local float @erff(float noundef)
 // WIN32: declare dso_local x86_stdcallcc void @"?foo@@YGXXZ"()