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llvm-mirror/test/Transforms/InstCombine/volatile_store.ll
Sanjay Patel b14a203f53 [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.

llvm-svn: 265417
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
}