1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s 3 4define i32 @foo_add(ptr %arg, i32 %arg1, i32 %arg2) { 5; CHECK-LABEL: @foo_add( 6; CHECK-NEXT: common.ret: 7; CHECK-NEXT: [[I:%.*]] = sext i32 [[ARG1:%.*]] to i64 8; CHECK-NEXT: [[I3:%.*]] = getelementptr inbounds i8, ptr [[ARG:%.*]], i64 [[I]] 9; CHECK-NEXT: [[I4:%.*]] = load i8, ptr [[I3]], align 1 10; CHECK-NEXT: [[I5:%.*]] = zext i8 [[I4]] to i32 11; CHECK-NEXT: [[I6:%.*]] = add nsw i32 [[I5]], [[ARG2:%.*]] 12; CHECK-NEXT: [[I7:%.*]] = icmp sgt i32 [[I6]], 255 13; CHECK-NEXT: [[I9:%.*]] = icmp sgt i32 [[I6]], 0 14; CHECK-NEXT: [[I10:%.*]] = select i1 [[I9]], i32 [[I6]], i32 0 15; CHECK-NEXT: [[COMMON_RET_OP:%.*]] = select i1 [[I7]], i32 255, i32 [[I10]] 16; CHECK-NEXT: ret i32 [[COMMON_RET_OP]] 17; 18 %i = sext i32 %arg1 to i64 19 %i3 = getelementptr inbounds i8, ptr %arg, i64 %i 20 %i4 = load i8, ptr %i3, align 1 21 %i5 = zext i8 %i4 to i32 22 %i6 = add nsw i32 %i5, %arg2 23 %i7 = icmp sgt i32 %i6, 255 24 br i1 %i7, label %bb11, label %bb8 25 26bb8: 27 %i9 = icmp sgt i32 %i6, 0 28 %i10 = select i1 %i9, i32 %i6, i32 0 29 ret i32 %i10 30 31bb11: 32 ret i32 255 33} 34