diff options
Diffstat (limited to 'test/CodeGen/inline-asm-matching-constraint.c')
| -rw-r--r-- | test/CodeGen/inline-asm-matching-constraint.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/inline-asm-matching-constraint.c b/test/CodeGen/inline-asm-matching-constraint.c new file mode 100644 index 0000000..45c387f --- /dev/null +++ b/test/CodeGen/inline-asm-matching-constraint.c @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 -emit-llvm %s -o - -triple powerpc64le-linux-gnu | FileCheck %s +// Sadly since this requires a register constraint to trigger we have to set +// a target here. +void a(void) { + register unsigned long __sc_0 __asm__("r0"); + __asm__ __volatile__("mfcr %0" : "=&r"(__sc_0) : "0"(__sc_0)); +} + +// Check that we can generate code for this correctly. The matching input +// constraint should not have an early clobber on it. +// CHECK: call i64 asm sideeffect "mfcr $0", "=&{r0},{r0}" |
