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
4 define 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]]
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
27 %i9 = icmp sgt i32 %i6, 0
28 %i10 = select i1 %i9, i32 %i6, i32 0