llvm/test/Transforms/InstCombine/volatile_store.ll
Sanjay Patel 503ff5bcee [InstCombine] regenerate checks
utils/update_test_checks.py was improved with:
http://reviews.llvm.org/rL265414
to CHECK-NEXT the first line of the IR function. This ensures that nothing bad
has happened before that.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265417 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-05 17:24:54 +00:00

23 lines
557 B
LLVM

; NOTE: Assertions have been autogenerated by update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
@x = weak global i32 0
define void @self_assign_1() {
; CHECK-LABEL: @self_assign_1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[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
store volatile i32 %tmp, i32* @x
br label %return
return:
ret void
}