[LLVMbugs] [Bug 11217] New: LLVMTargetMachine.cpp assert not fully descriptive

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun Oct 23 17:21:26 PDT 2011


           Summary: LLVMTargetMachine.cpp assert not fully descriptive
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Core LLVM classes
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: xocotl at gmail.com
                CC: llvmbugs at cs.uiuc.edu

LLVMTargetMachine.cpp says:
  // TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
  // and if the old one gets included then MCAsmInfo will be NULL and
  // we'll crash later.
  // Provide the user with a useful error message about what's wrong.
  assert(AsmInfo && "MCAsmInfo not initialized."
     "Make sure you include the correct TargetSelect.h!");

This can also occur if you fail to do llvm::InitializeAllTargetMCs(), which is
new (to me anyway). Found this upgrading my code from 2.9-ish SVN to 3.0-ish

It would be good if the assert mentioned this other possibility.

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