================
@@ -0,0 +1,15 @@
+/// Tests that preprocessing succeeds with different getBuiltinVaListKind()
delegations.
+
+// RUN: %clang_cc1 -triple spirv64-unknown-unknown -aux-triple
x86_64-unknown-linux-gnu \
+// RUN: -fsycl-is-device -E -dM %s | FileCheck --check-prefix=LINUX %s
+// RUN: %clang_cc1 -triple spirv64-unknown-unknown -aux-triple
x86_64-pc-windows-msvc \
+// RUN: -fsycl-is-device -E -dM %s | FileCheck --check-prefix=WIN %s
+// RUN: %clang_cc1 -triple spirv64-unknown-unknown -aux-triple
aarch64-unknown-linux-gnu \
+// RUN: -fsycl-is-device -E -dM %s | FileCheck --check-prefix=AARCH64 %s
+// RUN: %clang_cc1 -triple spirv64-unknown-unknown \
+// RUN: -fsycl-is-device -E -dM %s | FileCheck --check-prefix=NOHOST %s
+
+// LINUX: #define __SPIRV64__ 1
+// WIN: #define __SPIRV64__ 1
+// AARCH64: #define __SPIRV64__ 1
+// NOHOST: #define __SPIRV64__ 1
----------------
tahonermann wrote:
Here is a simple test that exercises the stdarg builtins.
```
int f(int n, ...) {
__builtin_va_list ap1, ap2;
__builtin_va_start(ap1, n);
int v = __builtin_va_arg(ap1, int);
__builtin_va_copy(ap2, ap1);
__builtin_va_end(ap1);
__builtin_va_end(ap2);
return v;
}
int g() {
return f(0, 1);
}
```
The LLVM IR can then be checked for the following (with suitable elisions).
```
CHECK-LINUX: define dso_local noundef i32 @_Z1fiz(i32 noundef %n, ...) #0 {
CHECK-LINUX: %ap1 = alloca [1 x %struct.__va_list_tag], align 16
CHECK-LINUX: %ap2 = alloca [1 x %struct.__va_list_tag], align 16
CHECK-WINDOWS:define dso_local noundef i32 @"?f@@YAHHZZ"(i32 noundef %n, ...)
#0 {
CHECK-WINDOWS: %ap1 = alloca ptr, align 8
CHECK-WINDOWS: %ap2 = alloca ptr, align 8
```
https://github.com/llvm/llvm-project/pull/208196
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