diff options
Diffstat (limited to 'test/CodeGen/ms_abi.c')
-rw-r--r-- | test/CodeGen/ms_abi.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/test/CodeGen/ms_abi.c b/test/CodeGen/ms_abi.c index 407087e40916..75e1caf922df 100644 --- a/test/CodeGen/ms_abi.c +++ b/test/CodeGen/ms_abi.c @@ -13,7 +13,7 @@ void __attribute__((ms_abi)) f1(void); void __attribute__((sysv_abi)) f2(void); void f3(void) { // FREEBSD-LABEL: define void @f3() - // WIN64-LABEL: define void @f3() + // WIN64-LABEL: define dso_local void @f3() f1(); // FREEBSD: call win64cc void @f1() // WIN64: call void @f1() @@ -23,13 +23,13 @@ void f3(void) { } // FREEBSD: declare win64cc void @f1() // FREEBSD: declare void @f2() -// WIN64: declare void @f1() -// WIN64: declare x86_64_sysvcc void @f2() +// WIN64: declare dso_local void @f1() +// WIN64: declare dso_local x86_64_sysvcc void @f2() // Win64 ABI varargs void __attribute__((ms_abi)) f4(int a, ...) { // FREEBSD-LABEL: define win64cc void @f4 - // WIN64-LABEL: define void @f4 + // WIN64-LABEL: define dso_local void @f4 __builtin_ms_va_list ap; __builtin_ms_va_start(ap, a); // FREEBSD: %[[AP:.*]] = alloca i8* @@ -79,7 +79,7 @@ void __attribute__((ms_abi)) f4(int a, ...) { // Let's verify that normal va_lists work right on Win64, too. void f5(int a, ...) { - // WIN64-LABEL: define void @f5 + // WIN64-LABEL: define dso_local void @f5 __builtin_va_list ap; __builtin_va_start(ap, a); // WIN64: %[[AP:.*]] = alloca i8* @@ -110,7 +110,7 @@ void f5(int a, ...) { void __attribute__((sysv_abi)) f6(__builtin_ms_va_list ap) { // FREEBSD-LABEL: define void @f6 // FREEBSD: store i8* %ap, i8** %[[AP:.*]] - // WIN64-LABEL: define x86_64_sysvcc void @f6 + // WIN64-LABEL: define dso_local x86_64_sysvcc void @f6 // WIN64: store i8* %ap, i8** %[[AP:.*]] int b = __builtin_va_arg(ap, int); // FREEBSD: %[[AP_CUR:.*]] = load i8*, i8** %[[AP]] @@ -146,3 +146,16 @@ void __attribute__((sysv_abi)) f6(__builtin_ms_va_list ap) { // WIN64: %[[AP_VAL:.*]] = load i8*, i8** %[[AP]] // WIN64-NEXT: store i8* %[[AP_VAL]], i8** %[[AP2:.*]] } + +// This test checks if structs are passed according to Win64 calling convention +// when it's enforced by __attribute((ms_abi)). +struct i128 { + unsigned long long a; + unsigned long long b; +}; + +__attribute__((ms_abi)) struct i128 f7(struct i128 a) { + // WIN64: define dso_local void @f7(%struct.i128* noalias sret %agg.result, %struct.i128* %a) + // FREEBSD: define win64cc void @f7(%struct.i128* noalias sret %agg.result, %struct.i128* %a) + return a; +} |