Convert several tests to use temporary files instead of redundantly
executing the test commands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52163 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/prefetch.ll b/test/CodeGen/X86/prefetch.ll
index 003ce33..d6517f7 100644
--- a/test/CodeGen/X86/prefetch.ll
+++ b/test/CodeGen/X86/prefetch.ll
@@ -1,7 +1,8 @@
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse | grep prefetchnta
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse | grep prefetcht0
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse | grep prefetcht1
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse | grep prefetcht2
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse > %t
+; RUN: grep prefetchnta %t
+; RUN: grep prefetcht0 %t
+; RUN: grep prefetcht1 %t
+; RUN: grep prefetcht2 %t
define void @t(i8* %ptr) nounwind {
entry: