xref: /llvm-project/clang/test/CodeGen/AArch64/varargs-sve.c (revision 207e5ccceec8d3cc3f32723e78f2a142bc61b07d)
1 // REQUIRES: aarch64-registered-target
2 // RUN: not %clang_cc1 -triple aarch64-linux-gnu -target-feature +sve -emit-llvm -o - %s 2>&1 | FileCheck %s
3 // RUN: not %clang_cc1 -triple arm64-apple-ios7 -target-abi darwinpcs -target-feature +sve -emit-llvm -o - %s 2>&1 | FileCheck %s
4 
5 // CHECK: Passing SVE types to variadic functions is currently not supported
6 
7 #include <arm_sve.h>
8 #include <stdarg.h>
9 
10 double foo(char *str, ...) {
11   va_list ap;
12   svfloat64_t v;
13   double x;
14 
15   va_start(ap, str);
16   v = va_arg(ap, svfloat64_t);
17   x = va_arg(ap, double);
18   va_end(ap);
19 
20   return x + svaddv(svptrue_b8(), v);
21 }
22