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| author | Hans Wennborg <hans@hanshq.net> | 2013-10-08 21:52:56 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2013-10-08 21:52:56 +0000 |
| commit | 9112ac2136894c6903f3e0df9639592ef78a3b50 (patch) | |
| tree | 1c056335b6c91b783c49a6819724c581c4cac17f /clang/test/Sema/callingconv.c | |
| parent | 347c2aa3e3b29440a0f3ae389ca9f2dbe9a99c6a (diff) | |
| download | bcm5719-llvm-9112ac2136894c6903f3e0df9639592ef78a3b50.tar.gz bcm5719-llvm-9112ac2136894c6903f3e0df9639592ef78a3b50.zip | |
Turn error about fastcall variadic function into warning in MS mode (PR12535)
MSVC allows this and silently falls back to __cdecl for variadic functions.
This patch turns Clang's error into a warning in MS mode and adds a test
to make sure we generate correct code.
Differential Revision: http://llvm-reviews.chandlerc.com/D1861
llvm-svn: 192240
Diffstat (limited to 'clang/test/Sema/callingconv.c')
| -rw-r--r-- | clang/test/Sema/callingconv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/test/Sema/callingconv.c b/clang/test/Sema/callingconv.c index 5badc14a01f..732c6add6ea 100644 --- a/clang/test/Sema/callingconv.c +++ b/clang/test/Sema/callingconv.c @@ -1,4 +1,5 @@ // RUN: %clang_cc1 %s -fsyntax-only -triple i386-unknown-unknown -verify +// RUN: %clang_cc1 %s -fsyntax-only -triple i386-unknown-unknown -fms-compatibility -DWIN -verify void __attribute__((fastcall)) foo(float *a) { } @@ -15,8 +16,13 @@ void __attribute__((fastcall)) test0() { // expected-error {{function with no pr void __attribute__((fastcall)) test1(void) { } +#ifdef WIN +void __attribute__((fastcall)) test2(int a, ...) { // expected-warning {{fastcall calling convention ignored on variadic function}} +} +#else void __attribute__((fastcall)) test2(int a, ...) { // expected-error {{variadic function cannot use fastcall calling convention}} } +#endif void __attribute__((cdecl)) ctest0() {} |
