1 // REQUIRES: powerpc-registered-target
2 
3 // RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -target-feature +vsx \
4 // RUN:   -target-cpu pwr9 -emit-llvm %s -o - | FileCheck %s
5 
6 // This case is to test VSX register support in the clobbers list for inline asm.
7 void testVSX (void) {
8   unsigned int a = 0;
9   unsigned int *dbell=&a;
10   int d;
11   __asm__ __volatile__ (
12     "lxvw4x  %%vs32, 0, %2\n\t"
13     "stxvw4x %%vs32, 0, %1"
14     : "=m"(*(volatile unsigned int*)(dbell))
15     : "r" (dbell), "r" (&d)
16     : "vs32"
17   );
18 }
19 
20 // CHECK: call void asm sideeffect "lxvw4x  %vs32, 0, $2\0A\09stxvw4x %vs32, 0, $1", "=*m,r,r,~{vs32}"
21