add target triple to fix PR1546

llvm-svn: 38462
diff --git a/llvm/test/CodeGen/PowerPC/compare-duplicate.ll b/llvm/test/CodeGen/PowerPC/compare-duplicate.ll
index 784f2ac..df2dfdc 100644
--- a/llvm/test/CodeGen/PowerPC/compare-duplicate.ll
+++ b/llvm/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