1 // RUN: %clang_cc1 -emit-llvm %s -o - -triple powerpc64le-linux-gnu | FileCheck %s 2 // Sadly since this requires a register constraint to trigger we have to set 3 // a target here. 4 void a(void) { 5 register unsigned long __sc_0 __asm__("r0"); 6 __asm__ __volatile__("mfcr %0" : "=&r"(__sc_0) : "0"(__sc_0)); 7 } 8 9 // Check that we can generate code for this correctly. The matching input 10 // constraint should not have an early clobber on it. 11 // CHECK: call i64 asm sideeffect "mfcr $0", "=&{r0},{r0}" 12
