Author: djg Date: Mon Sep 24 16:54:14 2007 New Revision: 42278 URL: http://llvm.org/viewvc/llvm-project?rev=42278&view=rev Log: Add support on x86 for having Legalize lower ISD::LOCATION to ISD::DEBUG_LOC instead of ISD::LABEL with a manual .debug_line entry when the assembler supports .file and .loc directives.
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=42278&r1=42277&r2=42278&view=diff ============================================================================== --- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original) +++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon Sep 24 16:54:14 2007 @@ -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 @@ 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() && _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits