| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s |
| |
| define i32 @foo_add(i8* %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, i8* [[ARG:%.*]], i64 [[I]] |
| ; CHECK-NEXT: [[I4:%.*]] = load i8, i8* [[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, i8* %arg, i64 %i |
| %i4 = load i8, i8* %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 |
| } |
