Print PPC ZERO as 0 (not r0) even on Darwin
It seems that the Darwin PPC assembler requires r0 to be written as 0 when it
means 0 (at least in lwarx/stwcx.). Fixes PR15605.
llvm-svn: 178142
diff --git a/llvm/test/CodeGen/PowerPC/atomic-1.ll b/llvm/test/CodeGen/PowerPC/atomic-1.ll
index cbfa409..838db20 100644
--- a/llvm/test/CodeGen/PowerPC/atomic-1.ll
+++ b/llvm/test/CodeGen/PowerPC/atomic-1.ll
@@ -1,10 +1,10 @@
-; RUN: llc < %s -march=ppc32 | FileCheck %s
+; RUN: llc < %s -mtriple=powerpc-apple-darwin -march=ppc32 | FileCheck %s
define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
; CHECK: exchange_and_add:
-; CHECK: lwarx
+; CHECK: lwarx {{r[0-9]+}}, 0, {{r[0-9]+}}
%tmp = atomicrmw add i32* %mem, i32 %val monotonic
-; CHECK: stwcx.
+; CHECK: stwcx. {{r[0-9]+}}, 0, {{r[0-9]+}}
ret i32 %tmp
}