[LLVMbugs] [Bug 21014] New: TCL broken by Induction Variable Widening

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sat Sep 20 17:56:44 PDT 2014


            Bug ID: 21014
           Summary: TCL broken by Induction Variable Widening
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: joerg at NetBSD.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13059
  --> http://llvm.org/bugs/attachment.cgi?id=13059&action=edit

The indvar widening introduced by r216160 broke TCL. Attached is the critical
source file (preprocessed) and the -O2 output with and without this change.

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