diff --git a/test/CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll b/test/CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll
index 77004593283..4ce49ee86dd 100644
--- a/test/CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll
+++ b/test/CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc
+; RUN: llvm-upgrade < %s | llvm-as | llc -mtriple=powerpc-apple-darwin8
 
 void %iterative_hash_host_wide_int() {
 	%zero = alloca int		        ; <int*> [#uses=2]
diff --git a/test/CodeGen/PowerPC/2006-08-15-SelectionCrash.ll b/test/CodeGen/PowerPC/2006-08-15-SelectionCrash.ll
index 287a79d29a9..03bd2d2ef06 100644
--- a/test/CodeGen/PowerPC/2006-08-15-SelectionCrash.ll
+++ b/test/CodeGen/PowerPC/2006-08-15-SelectionCrash.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc
+; RUN: llvm-upgrade < %s | llvm-as | llc -mtriple=powerpc-apple-darwin8
 
 	%struct..0anon = type { int }
 	%struct.rtx_def = type { ushort, ubyte, ubyte, [1 x %struct..0anon] }
diff --git a/test/CodeGen/PowerPC/or-addressing-mode.ll b/test/CodeGen/PowerPC/or-addressing-mode.ll
index 7058fb2a45f..e44814090b8 100644
--- a/test/CodeGen/PowerPC/or-addressing-mode.ll
+++ b/test/CodeGen/PowerPC/or-addressing-mode.ll
@@ -1,5 +1,5 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc | not grep ori
-; RUN: llvm-upgrade < %s | llvm-as | llc | not grep rlwimi
+; RUN: llvm-upgrade < %s | llvm-as | llc -mtriple=powerpc-apple-darwin8 | not grep ori
+; RUN: llvm-upgrade < %s | llvm-as | llc -mtriple=powerpc-apple-darwin8 | not grep rlwimi
 
 int %test1(sbyte* %P) {  ;; or -> lwzx
         %tmp.2.i = cast sbyte* %P to uint