xref: /aosp_15_r20/external/llvm/test/Transforms/LoopVersioning/lcssa.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -basicaa -loop-versioning -S < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine void @fill(i8** %ls1.20, i8** %ls2.21, i8* %cse3.22) {
5*9880d681SAndroid Build Coastguard Worker; CHECK: bb1.lver.check:
6*9880d681SAndroid Build Coastguard Worker; CHECK:   br i1 %memcheck.conflict, label %bb1.ph.lver.orig, label %bb1.ph
7*9880d681SAndroid Build Coastguard Workerbb1.ph:
8*9880d681SAndroid Build Coastguard Worker  %ls1.20.promoted = load i8*, i8** %ls1.20
9*9880d681SAndroid Build Coastguard Worker  %ls2.21.promoted = load i8*, i8** %ls2.21
10*9880d681SAndroid Build Coastguard Worker  br label %bb1
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerbb1:
13*9880d681SAndroid Build Coastguard Worker  %_tmp302 = phi i8* [ %ls2.21.promoted, %bb1.ph ], [ %_tmp30, %bb1 ]
14*9880d681SAndroid Build Coastguard Worker  %_tmp281 = phi i8* [ %ls1.20.promoted, %bb1.ph ], [ %_tmp28, %bb1 ]
15*9880d681SAndroid Build Coastguard Worker  %_tmp14 = getelementptr i8, i8* %_tmp281, i16 -1
16*9880d681SAndroid Build Coastguard Worker  %_tmp15 = load i8, i8* %_tmp14
17*9880d681SAndroid Build Coastguard Worker  %add = add i8 %_tmp15, 1
18*9880d681SAndroid Build Coastguard Worker  store i8 %add, i8* %_tmp281
19*9880d681SAndroid Build Coastguard Worker  store i8 %add, i8* %_tmp302
20*9880d681SAndroid Build Coastguard Worker  %_tmp28 = getelementptr i8, i8* %_tmp281, i16 1
21*9880d681SAndroid Build Coastguard Worker  %_tmp30 = getelementptr i8, i8* %_tmp302, i16 1
22*9880d681SAndroid Build Coastguard Worker  br i1 false, label %bb1, label %bb3.loopexit
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerbb3.loopexit:
25*9880d681SAndroid Build Coastguard Worker  %_tmp30.lcssa = phi i8* [ %_tmp30, %bb1 ]
26*9880d681SAndroid Build Coastguard Worker  %_tmp15.lcssa = phi i8 [ %_tmp15, %bb1 ]
27*9880d681SAndroid Build Coastguard Worker  %_tmp28.lcssa = phi i8* [ %_tmp28, %bb1 ]
28*9880d681SAndroid Build Coastguard Worker  store i8* %_tmp28.lcssa, i8** %ls1.20
29*9880d681SAndroid Build Coastguard Worker  store i8 %_tmp15.lcssa, i8* %cse3.22
30*9880d681SAndroid Build Coastguard Worker  store i8* %_tmp30.lcssa, i8** %ls2.21
31*9880d681SAndroid Build Coastguard Worker  br label %bb3
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerbb3:
34*9880d681SAndroid Build Coastguard Worker  ret void
35*9880d681SAndroid Build Coastguard Worker}
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