xref: /llvm-project/llvm/test/Transforms/IndVarSimplify/pr24783.ll (revision 3ce360f15b5a790a5fd9dcab716bbed7b4d3a347)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes=indvars < %s | FileCheck %s
3
4target datalayout = "E-m:e-i64:64-n32:64"
5target triple = "powerpc64-unknown-linux-gnu"
6
7define void @f(ptr %end.s, ptr %loc, i32 %p) {
8; CHECK-LABEL: @f(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    br label [[WHILE_BODY_I:%.*]]
11; CHECK:       while.body.i:
12; CHECK-NEXT:    br i1 true, label [[LOOP_EXIT:%.*]], label [[WHILE_BODY_I]]
13; CHECK:       loop.exit:
14; CHECK-NEXT:    [[END:%.*]] = getelementptr inbounds i32, ptr [[END_S:%.*]], i32 [[P:%.*]]
15; CHECK-NEXT:    store ptr [[END]], ptr [[LOC:%.*]], align 8
16; CHECK-NEXT:    ret void
17;
18entry:
19  %end = getelementptr inbounds i32, ptr %end.s, i32 %p
20  br label %while.body.i
21
22while.body.i:
23  %ptr = phi ptr [ %ptr.inc, %while.body.i ], [ %end.s, %entry ]
24  %ptr.inc = getelementptr inbounds i8, ptr %ptr, i8 1
25  %cmp.i = icmp eq ptr %ptr.inc, %end
26  br i1 %cmp.i, label %loop.exit, label %while.body.i
27
28loop.exit:
29  %ptr.inc.lcssa = phi ptr [ %ptr.inc, %while.body.i ]
30  store ptr %ptr.inc.lcssa, ptr %loc
31  ret void
32}
33