| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes='loop(indvars),loop-load-elim' < %s 2>&1 | 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: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond: |
| ; CHECK-NEXT: br i1 true, label [[FOR_BODY]], label [[FOR_END:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: br i1 false, label [[FOR_COND:%.*]], label [[FOR_END]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.cond: ; preds = %for.body |
| %a.0 = phi i16 [ %inc, %for.body ] |
| %cmp = icmp sle i16 %a.0, 2 |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond, %entry |
| %a.01 = phi i16 [ undef, %entry ], [ %a.0, %for.cond ] |
| %inc = add nsw i16 %a.01, 1 |
| br i1 false, label %for.cond, label %for.end |
| |
| for.end: ; preds = %for.body, %for.cond |
| ret void |
| } |
