| // 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 |
| } |
