xref: /aosp_15_r20/external/llvm/test/Transforms/IndVarSimplify/pr24783.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -indvars < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-m:e-i64:64-n32:64"
4*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-unknown-linux-gnu"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @f(i32* %end.s, i8** %loc, i32 %p) {
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f(
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %end = getelementptr inbounds i32, i32* %end.s, i32 %p
10*9880d681SAndroid Build Coastguard Worker  %init = bitcast i32* %end.s to i8*
11*9880d681SAndroid Build Coastguard Worker  br label %while.body.i
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerwhile.body.i:
14*9880d681SAndroid Build Coastguard Worker  %ptr = phi i8* [ %ptr.inc, %while.body.i ], [ %init, %entry ]
15*9880d681SAndroid Build Coastguard Worker  %ptr.inc = getelementptr inbounds i8, i8* %ptr, i8 1
16*9880d681SAndroid Build Coastguard Worker  %ptr.inc.cast = bitcast i8* %ptr.inc to i32*
17*9880d681SAndroid Build Coastguard Worker  %cmp.i = icmp eq i32* %ptr.inc.cast, %end
18*9880d681SAndroid Build Coastguard Worker  br i1 %cmp.i, label %loop.exit, label %while.body.i
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerloop.exit:
21*9880d681SAndroid Build Coastguard Worker; CHECK: loop.exit:
22*9880d681SAndroid Build Coastguard Worker; CHECK: [[END_BCASTED:%[a-z0-9]+]] = bitcast i32* %end to i8*
23*9880d681SAndroid Build Coastguard Worker; CHECK: store i8* [[END_BCASTED]], i8** %loc
24*9880d681SAndroid Build Coastguard Worker  %ptr.inc.lcssa = phi i8* [ %ptr.inc, %while.body.i ]
25*9880d681SAndroid Build Coastguard Worker  store i8* %ptr.inc.lcssa, i8** %loc
26*9880d681SAndroid Build Coastguard Worker  ret void
27*9880d681SAndroid Build Coastguard Worker}
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