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Add support on x86 for having Legalize lower ISD::LOCATION to ISD::DEBUG_LOC

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instead of ISD::LABEL with a manual .debug_line entry when the assembler
supports .file and .loc directives.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42278 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-09-24 21:54:14 +00:00
parent 81a148bd56
commit a5a403d766
1 changed files with 7 additions and 2 deletions
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9
lib/Target/X86/X86ISelLowering.cpp
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@ -32,6 +32,7 @@
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ParameterAttributes.h"
@ -229,9 +230,13 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
setOperationAction(ISD::MEMSET , MVT::Other, Custom);
setOperationAction(ISD::MEMCPY , MVT::Other, Custom);
// We don't have line number support yet.
// Use the default ISD::LOCATION expansion, and tell Legalize it's
// ok to use DEBUG_LOC if we have an assembler that supports it.
setOperationAction(ISD::LOCATION, MVT::Other, Expand);
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
if (TM.getTargetAsmInfo()->hasDotLocAndDotFile())
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Legal);
else
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
// FIXME - use subtarget debug flags
if (!Subtarget->isTargetDarwin() &&
!Subtarget->isTargetELF() &&