[llvm-bugs] [Bug 41160] New: Regression in "[SelectionDAG] Handle unary SelectPatternFlavor for ABS case in SelectionDAGBuilder::visitSelect", ARM codegen doesn't terminate

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https://bugs.llvm.org/show_bug.cgi?id=41160

            Bug ID: 41160
           Summary: Regression in "[SelectionDAG] Handle unary
                    SelectPatternFlavor for ABS case in
                    SelectionDAGBuilder::visitSelect", ARM codegen doesn't
                    terminate
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Common Code Generator Code
          Assignee: unassignedbugs at nondot.org
          Reporter: martin at martin.st
                CC: ivan.i.kulagin at gmail.com, llvm-bugs at justinbogner.com,
                    llvm-bugs at lists.llvm.org, llvm-dev at redking.me.uk,
                    nemanja.i.ibm at gmail.com

Created attachment 21633
  --> https://bugs.llvm.org/attachment.cgi?id=21633&action=edit
Input code that triggers the issue

After "[SelectionDAG] Handle unary SelectPatternFlavor for ABS case in
SelectionDAGBuilder::visitSelect", SVN r356468, compiling certain files for ARM
fails to terminate.

If compiling the attached source file with the following command, the
compilation doesn't terminate (and uses increasing amounts of memory):

$ clang -target armv7-w64-mingw32 -O3 -c ipred.c

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