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[InstCombine] use FileCheck for better checking 

(testing script for autogeneration of check lines)

llvm-svn: 264432
This commit is contained in:
Sanjay Patel 2016-03-25 18:01:37 +00:00
parent 8f22390137
commit 08da4b7cd8
1 changed files with 12 additions and 5 deletions
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17
llvm/test/Transforms/InstCombine/volatile_store.ll
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@ -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
}