[InstCombine] use FileCheck for better checking

(testing script for autogeneration of check lines)

llvm-svn: 264432

1 files changed, 12 insertions, 5 deletions

diff --git a/llvm/test/Transforms/InstCombine/volatile_store.ll b/llvm/test/Transforms/InstCombine/volatile_store.ll
index 7377b6815e2..24a81367795 100644
--- a/llvm/test/Transforms/InstCombine/volatile_store.ll
+++ b/llvm/test/Transforms/InstCombine/volatile_store.ll
@@ -1,14 +1,21 @@
-; RUN: opt < %s -instcombine -S | grep "store volatile"
-; RUN: opt < %s -instcombine -S | grep "load volatile"
+; NOTE: Assertions have been autogenerated by update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
-@x = weak global i32 0		; <i32*> [#uses=2]
+@x = weak global i32 0
 
 define void @self_assign_1() {
+; CHECK-LABEL: @self_assign_1(
+; CHECK:         [[TMP:%.*]] = load volatile i32, i32* @x, align 4
+; CHECK-NEXT:    store volatile i32 [[TMP]], i32* @x, align 4
+; CHECK-NEXT:    br label %return
+; CHECK:       return:
+; CHECK-NEXT:    ret void
+;
 entry:
-	%tmp = load volatile i32, i32* @x		; <i32> [#uses=1]
+	%tmp = load volatile i32, i32* @x
 	store volatile i32 %tmp, i32* @x
 	br label %return
 
-return:		; preds = %entry
+return:
 	ret void
 }