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Handle target-specific form of DBG_VALUE in AsmPrinter.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102373 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2010-04-26 20:07:31 +00:00
parent fdb42fa5fe
commit 3f282aa94b
1 changed files with 19 additions and 0 deletions
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19
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -21,6 +21,7 @@
#include "ARMMachineFunctionInfo.h"
#include "ARMMCInstLower.h"
#include "ARMTargetMachine.h"
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
#include "llvm/Type.h"
@ -1108,6 +1109,24 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
SmallString<128> Str;
raw_svector_ostream OS(Str);
if (MI->getOpcode() == ARM::DBG_VALUE) {
unsigned NOps = MI->getNumOperands();
assert(NOps==4);
OS << '\t' << MAI->getCommentString() << "DEBUG_VALUE: ";
// cast away const; DIetc do not take const operands for some reason.
DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata()));
OS << V.getName();
OS << " <- ";
// Frame address. Currently handles register +- offset only.
assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm());
OS << '['; printOperand(MI, 0, OS); OS << '+'; printOperand(MI, 1, OS);
OS << ']';
OS << "+";
printOperand(MI, NOps-2, OS);
OutStreamer.EmitRawText(OS.str());
return;
}
printInstruction(MI, OS);
OutStreamer.EmitRawText(OS.str());