[LLVMbugs] [Bug 9508] New: Sandy Bridge machines getting errors in JIT

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Mar 18 09:32:46 PDT 2011


           Summary: Sandy Bridge machines getting errors in JIT
           Product: new-bugs
           Version: 2.8
          Platform: PC
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: evan at fallingsnow.net
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=6342)
 --> (http://llvm.org/bugs/attachment.cgi?id=6342)
IR which has errors on sandy bridge

Machines which have the new sandy bridge cores are receiving errors while
converting the IR to machine code. Here is the error:

LLVM ERROR: Cannot yet select: 0x10402fe10: f64 = sint_to_fp 0x104808410 [ID=6]
  0x104808410: i64 = srl 0x10402e210, 0x10402e710 [ORD=1529] [ID=5]
    0x10402e210: i64,ch = CopyFromReg 0x102a91148, 0x10402de10 [ORD=1528]
      0x102a91148: ch = EntryToken [ORD=1528] [ID=0]
      0x10402de10: i64 = Register %reg16388 [ORD=1528] [ID=1]
    0x10402e710: i8 = Constant<1> [ORD=1529] [ID=2]

Attached is a function that causes the error.

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