| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -licm -adce -licm -S < %s | FileCheck %s |
| ; RUN: opt -passes='loop(licm),adce,loop(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() { |
| ; 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 true, label [[BB1:%.*]], label [[BB2]] |
| ; |
| |
| bb: |
| br label %bb2 |
| |
| bb1: ; preds = %bb4 |
| ret void |
| |
| bb2: ; preds = %bb4, %bb |
| br i1 undef, label %bb4, label %bb3 |
| |
| bb3: ; preds = %bb2 |
| br label %bb4 |
| |
| bb4: ; preds = %bb3, %bb2 |
| br i1 undef, label %bb1, label %bb2 |
| } |
