[LLVMbugs] [Bug 8201] New: mingw/64 is lowering alloca wrong

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=8201

           Summary: mingw/64 is lowering alloca wrong
           Product: libraries
           Version: 1.0
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: clattner at apple.com
                CC: llvmbugs at cs.uiuc.edu


test/CodeGen/X86/win_chkstk.ll is compiling to "calll _alloca" on 64-bit mingw
instead of "callq _alloca".  This is probably causing the wrong set of clobbers
on the call and other badness.

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