[LLVMbugs] [Bug 10032] New: VerifyCoalescing failure on espresso

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10032

           Summary: VerifyCoalescing failure on espresso
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: zwarich at apple.com
                CC: llvmbugs at cs.uiuc.edu


I get the following -verify-coalescing failure on espresso using TEST=nightly:

*** Bad machine code: Illegal virtual register for instruction ***
- function:    sf_sort
- basic block: if.then.i 0x7fc0919e9f98 (BB#5) [1168L;1568L)
- instruction: 1344L    %vreg84<def> = ADD32rm %vreg84, %vreg50, 4,
%vreg56<kill>, 0, %noreg, %EFLAGS<imp-def,dead>;
mem:LD4[%arrayidx16.i](tbaa=!"int") GR32:%vreg84 GR64:%vreg50
GR64_NOREX:%vreg56
- operand 4:   %vreg56<kill>
Expected a GR64_NOSP register, but got a GR64_NOREX register
LLVM ERROR: Found 1 machine code errors.

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