| ; RUN: opt -loop-reduce < %s -o /dev/null |
| |
| ; LSR doesn't actually do anything on this input; just check that it doesn't |
| ; crash while building the compatible type for the IV (by virtue of using |
| ; INT64_MAX as a constant in the loop). |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.12.0" |
| |
| define void @foo() { |
| entry: |
| br label %for |
| |
| for: |
| %0 = phi i64 [ %add, %for ], [ undef, %entry ] |
| %next = phi i32 [ %inc, %for ], [ undef, %entry ] |
| store i32 %next, ptr undef, align 4 |
| %add = add i64 %0, 9223372036854775807 |
| %inc = add nsw i32 %next, 1 |
| br i1 undef, label %exit, label %for |
| |
| exit: |
| store i64 %add, ptr undef |
| ret void |
| } |
