Support __builtin_ms_va_list.
Summary:
This change adds support for `__builtin_ms_va_list`, a GCC extension for
variadic `ms_abi` functions. The existing `__builtin_va_list` support is
inadequate for this because `va_list` is defined differently in the Win64
ABI vs. the System V/AMD64 ABI.
Depends on D1622.
Reviewers: rsmith, rnk, rjmccall
CC: cfe-commits
Differential Revision: http://reviews.llvm.org/D1623
llvm-svn: 247941
diff --git a/clang/test/PCH/va_arg.cpp b/clang/test/PCH/va_arg.cpp
index 0b3c3b1..627ce23 100644
--- a/clang/test/PCH/va_arg.cpp
+++ b/clang/test/PCH/va_arg.cpp
@@ -10,8 +10,13 @@
extern "C" {
int vsnprintf(char * , size_t, const char * , va_list) ;
+int __attribute__((ms_abi)) wvsprintfA(char *, const char *, __ms_va_list);
}
void f(char *buffer, unsigned count, const char* format, va_list argptr) {
vsnprintf(buffer, count, format, argptr);
}
+
+void g(char *buffer, const char *format, __ms_va_list argptr) {
+ wvsprintfA(buffer, format, argptr);
+}