xref: /llvm-project/llvm/test/Transforms/LoopStrengthReduce/pr70348.ll (revision ba1349fc31295a3670b34c189838a133e18c0bed) 
1; RUN: opt -S -passes=loop-reduce -scalar-evolution-max-arith-depth=0 %s | FileCheck %s
2;
3; Make sure we don't trigger an assertion in SCEV here.
4
5target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
6target triple = "x86_64-unknown-linux-gnu"
7
8define void @test(i32 %phi) {
9; CHECK-LABEL: test
10bb:
11  br label %bb6
12
13bb6:                                              ; preds = %bb6, %bb
14  %phi7 = phi i32 [ 1, %bb ], [ %add44, %bb6 ]
15  %mul13 = mul i32 %phi7, %phi
16  %mul16 = mul i32 %mul13, 0
17  %add44 = add i32 %phi7, 1
18  br i1 true, label %bb51, label %bb6
19
20bb51:                                             ; preds = %bb6
21  unreachable
22}
23
24