llvm-project/llvm/test/Transforms/LICM/2003-02-27-StoreSinkPHIs.ll

16 lines
339 B
LLVM

; LICM is adding stores before phi nodes. bad.
; RUN: llvm-as < %s | opt -licm
define i1 @test(i1 %c) {
; <label>:0
br i1 %c, label %Loop, label %Out
Loop: ; preds = %Loop, %0
store i32 0, i32* null
br i1 %c, label %Loop, label %Out
Out: ; preds = %Loop, %0
%X = phi i1 [ %c, %0 ], [ true, %Loop ] ; <i1> [#uses=1]
ret i1 %X
}