| Adam Nemet | 32e6a34 | 2016-12-21 04:07:40 +0000 | [diff] [blame] | 1 | ; RUN: opt -basicaa -loop-distribute -enable-loop-distribute -verify-loop-info -verify-dom-info -S \ |
| David Majnemer | 7afb46d | 2016-07-07 06:24:36 +0000 | [diff] [blame] | 2 | ; RUN: < %s | FileCheck %s |
| 3 | |
| 4 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 5 | target triple = "x86_64-unknown-linux-gnu" |
| 6 | |
| 7 | define void @fn1(i64 %a, i64* %b) { |
| 8 | entry: |
| 9 | br label %for.body |
| 10 | |
| 11 | for.body: |
| 12 | %add75.epil = phi i64 [ %add7.epil, %for.body ], [ %a, %entry ] |
| 13 | %add1.epil = add nsw i64 %add75.epil, 268435457 |
| 14 | %arrayidx.epil = getelementptr inbounds i64, i64* %b, i64 %add1.epil |
| 15 | %load = load i64, i64* %arrayidx.epil, align 8 |
| 16 | %add5.epil = add nsw i64 %add75.epil, 805306369 |
| 17 | %arrayidx6.epil = getelementptr inbounds i64, i64* %b, i64 %add5.epil |
| 18 | store i64 %load, i64* %arrayidx6.epil, align 8 |
| 19 | %add7.epil = add nsw i64 %add75.epil, 2 |
| 20 | %epil.iter.cmp = icmp eq i64 %add7.epil, 0 |
| 21 | br i1 %epil.iter.cmp, label %for.end, label %for.body |
| 22 | |
| 23 | ; CHECK: %[[phi:.*]] = phi i64 |
| 24 | ; CHECK: %[[add1:.*]] = add nsw i64 %[[phi]], 268435457 |
| 25 | ; CHECK: %[[gep1:.*]] = getelementptr inbounds i64, i64* %b, i64 %[[add1]] |
| 26 | ; CHECK: %[[load:.*]] = load i64, i64* %[[gep1]], align 8 |
| 27 | ; CHECK: %[[add2:.*]] = add nsw i64 %[[phi]], 805306369 |
| 28 | ; CHECK: %[[gep2:.*]] = getelementptr inbounds i64, i64* %b, i64 %[[add2]] |
| 29 | ; CHECK: store i64 %[[load]], i64* %[[gep2]], align 8 |
| 30 | ; CHECK: %[[incr:.*]] = add nsw i64 %[[phi]], 2 |
| 31 | ; CHECK: %[[cmp:.*]] = icmp eq i64 %[[incr]], 0 |
| 32 | ; CHECK: br i1 %[[cmp]] |
| 33 | |
| 34 | for.end: |
| 35 | ret void |
| 36 | } |