diff --git a/test/CodeGen/PowerPC/compare-duplicate.ll b/test/CodeGen/PowerPC/compare-duplicate.ll
index 784f2ac9a51..df2dfdc17b6 100644
--- a/test/CodeGen/PowerPC/compare-duplicate.ll
+++ b/test/CodeGen/PowerPC/compare-duplicate.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc | not grep slwi
+; RUN: llvm-as < %s | llc -mtriple=powerpc-apple-darwin8  | not grep slwi
 
 define i32 @test(i32 %A, i32 %B) {
 	%C = sub i32 %B, %A