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List:       llvm-bugs
Subject:    [LLVMbugs] [Bug 13960] New: .ll format drops type information on alloca alignment
From:       bugzilla-daemon () llvm ! org
Date:       2012-09-28 1:16:46
Message-ID: bug-13960-206 () http ! llvm ! org/bugs/
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http://llvm.org/bugs/show_bug.cgi?id=13960

             Bug #: 13960
           Summary: .ll format drops type information on alloca alignment
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Core LLVM classes
        AssignedTo: unassignedbugs@nondot.org
        ReportedBy: nicholas@mxc.ca
                CC: llvmbugs@cs.uiuc.edu
    Classification: Unclassified


I watched instcombine do something fascinating:

  IC: Mod =   %i = alloca [5 x i8], align 4
  IC: New =   %i = alloca [5 x i8], align 4

Uh oh. Turns out the old '4' was 'i32 4' and the new one is 'i64 4'.

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