[llvm-bugs] [Bug 26516] New: [Polly] different element types + load hoisting result in dominator issues

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=26516

            Bug ID: 26516
           Summary: [Polly] different element types + load hoisting result
                    in dominator issues
           Product: Polly
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Optimizer
          Assignee: polly-dev at googlegroups.com
          Reporter: tobias at grosser.es
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15854
  --> https://llvm.org/bugs/attachment.cgi?id=15854&action=edit
Test case

When running:

polly-opt-opt out.ll -polly-process-unprofitable -tbaa -polly-codegen
-polly-allow-differing-element-types

I see the following error (if disabiling verification):

  %tmp = load %struct.foo.1*, %struct.foo.1** %tmp4, align 8, !tbaa !1
  %polly.access.cast.tmp = bitcast %struct.foo.1* %tmp to i32*

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