| ; RUN: opt < %s -scalar-evolution-max-arith-depth=0 -indvars -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i32:64-f80:128-n8:16:32:64-S128-ni:1" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Check that it does not crash because SCEVAddRec's step is not an AddRec. |
| |
| define void @pr35890(i32* %inc_ptr, i32 %a) { |
| |
| ; CHECK-LABEL: @pr35890( |
| |
| entry: |
| %inc = load i32, i32* %inc_ptr, !range !0 |
| %ne.cond = icmp ne i32 %inc, 0 |
| br i1 %ne.cond, label %loop, label %bail |
| |
| loop: |
| %iv = phi i32 [ 0, %entry ], [ %iv.next, %backedge ] |
| %a.1 = add i32 %a, 1 |
| %iv.next = add i32 %iv, %a.1 |
| %iv.wide = zext i32 %iv to i64 |
| %iv.square = mul i64 %iv.wide, %iv.wide |
| %iv.cube = mul i64 %iv.square, %iv.wide |
| %brcond = icmp slt i64 %iv.wide, %iv.cube |
| br i1 %brcond, label %if.true, label %if.false |
| |
| if.true: |
| br label %backedge |
| |
| if.false: |
| br label %backedge |
| |
| backedge: |
| %loopcond = icmp slt i32 %iv, 200 |
| br i1 %loopcond, label %loop, label %exit |
| |
| exit: |
| ret void |
| |
| bail: |
| ret void |
| } |
| |
| !0 = !{i32 0, i32 100} |
