| ; RUN: opt -S -passes=loop-reduce -scalar-evolution-max-arith-depth=0 %s | FileCheck %s | |
| ; | |
| ; Make sure we don't trigger an assertion in SCEV here. | |
| target 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" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| define void @test(i32 %phi) { | |
| ; CHECK-LABEL: test | |
| bb: | |
| br label %bb6 | |
| bb6: ; preds = %bb6, %bb | |
| %phi7 = phi i32 [ 1, %bb ], [ %add44, %bb6 ] | |
| %mul13 = mul i32 %phi7, %phi | |
| %mul16 = mul i32 %mul13, 0 | |
| %add44 = add i32 %phi7, 1 | |
| br i1 true, label %bb51, label %bb6 | |
| bb51: ; preds = %bb6 | |
| unreachable | |
| } | |