[InstCombine] use FileCheck for better checking

(testing script for autogeneration of check lines)

llvm-svn: 264432

diff --git a/llvm/test/Transforms/InstCombine/volatile_store.ll b/llvm/test/Transforms/InstCombine/volatile_store.ll
index 7377b68..24a8136 100644 (file)
--- 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
 }