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 | |