llvm/test/Transforms/SimplifyCFG/pr48641.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s

define i32 @foo_add(ptr %arg, i32 %arg1, i32 %arg2) {
; CHECK-LABEL: @foo_add(
; CHECK-NEXT:  common.ret:
; CHECK-NEXT:    [[I:%.*]] = sext i32 [[ARG1:%.*]] to i64
; CHECK-NEXT:    [[I3:%.*]] = getelementptr inbounds i8, ptr [[ARG:%.*]], i64 [[I]]
; CHECK-NEXT:    [[I4:%.*]] = load i8, ptr [[I3]], align 1
; CHECK-NEXT:    [[I5:%.*]] = zext i8 [[I4]] to i32
; CHECK-NEXT:    [[I6:%.*]] = add nsw i32 [[I5]], [[ARG2:%.*]]
; CHECK-NEXT:    [[I7:%.*]] = icmp sgt i32 [[I6]], 255
; CHECK-NEXT:    [[I9:%.*]] = icmp sgt i32 [[I6]], 0
; CHECK-NEXT:    [[I10:%.*]] = select i1 [[I9]], i32 [[I6]], i32 0
; CHECK-NEXT:    [[COMMON_RET_OP:%.*]] = select i1 [[I7]], i32 255, i32 [[I10]]
; CHECK-NEXT:    ret i32 [[COMMON_RET_OP]]
;
  %i = sext i32 %arg1 to i64
  %i3 = getelementptr inbounds i8, ptr %arg, i64 %i
  %i4 = load i8, ptr %i3, align 1
  %i5 = zext i8 %i4 to i32
  %i6 = add nsw i32 %i5, %arg2
  %i7 = icmp sgt i32 %i6, 255
  br i1 %i7, label %bb11, label %bb8

bb8:
  %i9 = icmp sgt i32 %i6, 0
  %i10 = select i1 %i9, i32 %i6, i32 0
  ret i32 %i10

bb11:
  ret i32 255
}