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* Make TargetLowering not crash when TargetMachine::getTargetAsmInfo() returns

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null. This assumes that any target that does not have AsmInfo, does not
   support "LocAndDot".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57438 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthijs Kooijman 2008-10-13 12:41:46 +00:00
parent e2b997b7b5
commit d9d07780ff
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -473,7 +473,8 @@ TargetLowering::TargetLowering(TargetMachine &tm)
InitCmpLibcallCCs(CmpLibcallCCs);
// Tell Legalize whether the assembler supports DEBUG_LOC.
if (!TM.getTargetAsmInfo()->hasDotLocAndDotFile())
const TargetAsmInfo *TASM = TM.getTargetAsmInfo();
if (!TASM || !TASM->hasDotLocAndDotFile())
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
}