| ; RUN: opt -basicaa -loop-distribute -enable-loop-distribute -verify-loop-info -verify-dom-info -S \ |
| ; RUN: < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @fn1(i64 %a, i64* %b) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %add75.epil = phi i64 [ %add7.epil, %for.body ], [ %a, %entry ] |
| %add1.epil = add nsw i64 %add75.epil, 268435457 |
| %arrayidx.epil = getelementptr inbounds i64, i64* %b, i64 %add1.epil |
| %load = load i64, i64* %arrayidx.epil, align 8 |
| %add5.epil = add nsw i64 %add75.epil, 805306369 |
| %arrayidx6.epil = getelementptr inbounds i64, i64* %b, i64 %add5.epil |
| store i64 %load, i64* %arrayidx6.epil, align 8 |
| %add7.epil = add nsw i64 %add75.epil, 2 |
| %epil.iter.cmp = icmp eq i64 %add7.epil, 0 |
| br i1 %epil.iter.cmp, label %for.end, label %for.body |
| |
| ; CHECK: %[[phi:.*]] = phi i64 |
| ; CHECK: %[[add1:.*]] = add nsw i64 %[[phi]], 268435457 |
| ; CHECK: %[[gep1:.*]] = getelementptr inbounds i64, i64* %b, i64 %[[add1]] |
| ; CHECK: %[[load:.*]] = load i64, i64* %[[gep1]], align 8 |
| ; CHECK: %[[add2:.*]] = add nsw i64 %[[phi]], 805306369 |
| ; CHECK: %[[gep2:.*]] = getelementptr inbounds i64, i64* %b, i64 %[[add2]] |
| ; CHECK: store i64 %[[load]], i64* %[[gep2]], align 8 |
| ; CHECK: %[[incr:.*]] = add nsw i64 %[[phi]], 2 |
| ; CHECK: %[[cmp:.*]] = icmp eq i64 %[[incr]], 0 |
| ; CHECK: br i1 %[[cmp]] |
| |
| for.end: |
| ret void |
| } |
