| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | |
| ; RUN: opt -passes='loop-mssa(licm),adce,loop-mssa(licm)' -S < %s | FileCheck %s | |
| ; | |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| define void @test(i1 %arg) { | |
| ; CHECK-LABEL: @test( | |
| ; CHECK-NEXT: bb: | |
| ; CHECK-NEXT: br label [[BB2:%.*]] | |
| ; CHECK: bb1: | |
| ; CHECK-NEXT: ret void | |
| ; CHECK: bb2: | |
| ; CHECK-NEXT: br label [[BB4:%.*]] | |
| ; CHECK: bb3: | |
| ; CHECK-NEXT: unreachable | |
| ; CHECK: bb4: | |
| ; CHECK-NEXT: br i1 [[ARG:%.*]], label [[BB1:%.*]], label [[BB2]] | |
| ; | |
| bb: | |
| br label %bb2 | |
| bb1: ; preds = %bb4 | |
| ret void | |
| bb2: ; preds = %bb4, %bb | |
| br i1 %arg, label %bb4, label %bb3 | |
| bb3: ; preds = %bb2 | |
| br label %bb4 | |
| bb4: ; preds = %bb3, %bb2 | |
| br i1 %arg, label %bb1, label %bb2 | |
| } |