[llvm-bugs] [Bug 29052] New: 'ran out of registers' error when selecting mips32r6 as target.

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https://llvm.org/bugs/show_bug.cgi?id=29052

            Bug ID: 29052
           Summary: 'ran out of registers' error when selecting mips32r6
                    as target.
           Product: clang
           Version: trunk
          Hardware: Other
                OS: other
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: mike.k at pixelcarbide.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16995
  --> https://llvm.org/bugs/attachment.cgi?id=16995&action=edit
self-contained test case.

LLVM: Revision 279223
Clang: Revision 279207

When compiling the attached source with the following options, I get the error
"ran out of registers during register allocation".

clang --std=c++14 -target mipsel -EL -mips32r6 -ffreestanding -c stdio.cpp

I can eliminate the error by removing -mips32r6

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