llvm/test/Transforms/IndVarSimplify/pr126409.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=indvars < %s | FileCheck %s

define void @pr126409() {
; CHECK-LABEL: define void @pr126409() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[X:%.*]] = xor i32 0, 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp samesign ult i32 [[X]], 155
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY_PREHEADER:.*]], label %[[IF_END:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    br i1 false, label %[[FOR_BODY]], label %[[IF_END_LOOPEXIT:.*]]
; CHECK:       [[IF_END_LOOPEXIT]]:
; CHECK-NEXT:    br label %[[IF_END]]
; CHECK:       [[IF_END]]:
; CHECK-NEXT:    ret void
;
entry:
  %x = xor i32 0, 1
  %cmp = icmp samesign ult i32 %x, 155
  br i1 %cmp, label %for.body, label %if.end

for.body:
  %phi = phi i8 [ 1, %for.body ], [ 0, %entry ]
  %cmp2 = icmp slt i8 %phi, 1
  br i1 %cmp2, label %for.body, label %if.end

if.end:
  ret void
}