69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
|
// RUN: %clang_cc1 -triple aarch64-linux-gnu -emit-llvm < %s | FileCheck -check-prefix=LINUX %s
|
||
|
|
// RUN: %clang_cc1 -triple aarch64-pc-win32 -emit-llvm < %s | FileCheck -check-prefix=WIN64 %s
|
||
|
|
|
||
|
|
void __attribute__((ms_abi)) f1(void);
|
||
|
|
void f2(void);
|
||
|
|
void f3(void) {
|
||
|
|
// LINUX-LABEL: define{{.*}} void @f3()
|
||
|
|
// WIN64-LABEL: define dso_local void @f3()
|
||
|
|
f1();
|
||
|
|
// LINUX: call win64cc void @f1()
|
||
|
|
// WIN64: call void @f1()
|
||
|
|
f2();
|
||
|
|
// LINUX: call void @f2()
|
||
|
|
// WIN64: call void @f2()
|
||
|
|
}
|
||
|
|
// LINUX: declare win64cc void @f1()
|
||
|
|
// LINUX: declare void @f2()
|
||
|
|
// WIN64: declare dso_local void @f1()
|
||
|
|
// WIN64: declare dso_local void @f2()
|
||
|
|
|
||
|
|
// Win64 ABI varargs
|
||
|
|
void __attribute__((ms_abi)) f4(int a, ...) {
|
||
|
|
// LINUX-LABEL: define{{.*}} win64cc void @f4
|
||
|
|
// WIN64-LABEL: define dso_local void @f4
|
||
|
|
__builtin_ms_va_list ap;
|
||
|
|
__builtin_ms_va_start(ap, a);
|
||
|
|
// LINUX: %[[AP:.*]] = alloca i8*
|
||
|
|
// LINUX: call void @llvm.va_start
|
||
|
|
// WIN64: %[[AP:.*]] = alloca i8*
|
||
|
|
// WIN64: call void @llvm.va_start
|
||
|
|
int b = __builtin_va_arg(ap, int);
|
||
|
|
// LINUX: %[[AP_CUR:.*]] = load i8*, i8** %[[AP]]
|
||
|
|
// LINUX-NEXT: %[[AP_NEXT:.*]] = getelementptr inbounds i8, i8* %[[AP_CUR]], i64 8
|
||
|
|
// LINUX-NEXT: store i8* %[[AP_NEXT]], i8** %[[AP]]
|
||
|
|
// LINUX-NEXT: bitcast i8* %[[AP_CUR]] to i32*
|
||
|
|
// WIN64: %[[AP_CUR:.*]] = load i8*, i8** %[[AP]]
|
||
|
|
// WIN64-NEXT: %[[AP_NEXT:.*]] = getelementptr inbounds i8, i8* %[[AP_CUR]], i64 8
|
||
|
|
// WIN64-NEXT: store i8* %[[AP_NEXT]], i8** %[[AP]]
|
||
|
|
// WIN64-NEXT: bitcast i8* %[[AP_CUR]] to i32*
|
||
|
|
__builtin_ms_va_list ap2;
|
||
|
|
__builtin_ms_va_copy(ap2, ap);
|
||
|
|
// LINUX: %[[AP_VAL:.*]] = load i8*, i8** %[[AP]]
|
||
|
|
// LINUX-NEXT: store i8* %[[AP_VAL]], i8** %[[AP2:.*]]
|
||
|
|
// WIN64: %[[AP_VAL:.*]] = load i8*, i8** %[[AP]]
|
||
|
|
// WIN64-NEXT: store i8* %[[AP_VAL]], i8** %[[AP2:.*]]
|
||
|
|
__builtin_ms_va_end(ap);
|
||
|
|
// LINUX: call void @llvm.va_end
|
||
|
|
// WIN64: call void @llvm.va_end
|
||
|
|
}
|
||
|
|
|
||
|
|
// Let's verify that normal va_lists work right on Win64, too.
|
||
|
|
void f5(int a, ...) {
|
||
|
|
// WIN64-LABEL: define dso_local void @f5
|
||
|
|
__builtin_va_list ap;
|
||
|
|
__builtin_va_start(ap, a);
|
||
|
|
// WIN64: %[[AP:.*]] = alloca i8*
|
||
|
|
// WIN64: call void @llvm.va_start
|
||
|
|
int b = __builtin_va_arg(ap, int);
|
||
|
|
// WIN64: %[[AP_CUR:.*]] = load i8*, i8** %[[AP]]
|
||
|
|
// WIN64-NEXT: %[[AP_NEXT:.*]] = getelementptr inbounds i8, i8* %[[AP_CUR]], i64 8
|
||
|
|
// WIN64-NEXT: store i8* %[[AP_NEXT]], i8** %[[AP]]
|
||
|
|
// WIN64-NEXT: bitcast i8* %[[AP_CUR]] to i32*
|
||
|
|
__builtin_va_list ap2;
|
||
|
|
__builtin_va_copy(ap2, ap);
|
||
|
|
// WIN64: call void @llvm.va_copy
|
||
|
|
__builtin_va_end(ap);
|
||
|
|
// WIN64: call void @llvm.va_end
|
||
|
|
}
|