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Add VMCore and code generator support for debugging intrinsics. By default 

code generators completely ignore them.

llvm-svn: 10691
This commit is contained in:
Chris Lattner 2004-01-05 05:36:30 +00:00
parent 53d7dcbee7
commit 3d903f0c0b
3 changed files with 19 additions and 0 deletions
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6
llvm/lib/VMCore/Function.cpp
View File

@ -207,6 +207,12 @@ unsigned Function::getIntrinsicID() const {
if (getName() == alpha_intrinsics[i].name)
return alpha_intrinsics[i].id;
break;
case 'd':
if (getName() == "llvm.dbg.stoppoint") return Intrinsic::dbg_stoppoint;
if (getName() == "llvm.dbg.region.start")return Intrinsic::dbg_region_start;
if (getName() == "llvm.dbg.region.end") return Intrinsic::dbg_region_end;
if (getName() == "llvm.dbg.func.start") return Intrinsic::dbg_func_start;
break;
case 'l':
if (getName() == "llvm.longjmp") return Intrinsic::longjmp;
break;

8
llvm/lib/VMCore/IntrinsicLowering.cpp
View File

@ -48,6 +48,14 @@ void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
// Insert the call to abort
new CallInst(M->getOrInsertFunction("abort", Type::VoidTy, 0), "", CI);
break;
case Intrinsic::dbg_stoppoint:
case Intrinsic::dbg_region_start:
case Intrinsic::dbg_region_end:
case Intrinsic::dbg_func_start:
if (CI->getType() != Type::VoidTy)
CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
break; // Simply strip out debugging intrinsics
}
assert(CI->use_empty() &&

5
llvm/lib/VMCore/Verifier.cpp
View File

@ -548,6 +548,11 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
case Intrinsic::longjmp: NumArgs = 2; break;
case Intrinsic::sigsetjmp: NumArgs = 2; break;
case Intrinsic::siglongjmp: NumArgs = 2; break;
case Intrinsic::dbg_stoppoint: NumArgs = 4; break;
case Intrinsic::dbg_region_start:NumArgs = 1; break;
case Intrinsic::dbg_region_end: NumArgs = 1; break;
case Intrinsic::dbg_func_start: NumArgs = 1; break;
case Intrinsic::alpha_ctlz: NumArgs = 1; break;
case Intrinsic::alpha_cttz: NumArgs = 1; break;