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author | Devang Patel <dpatel@apple.com> | 2009-08-25 05:24:07 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2009-08-25 05:24:07 +0000 |
commit | 2a610c7387664bc557a35ce3bb4c0d4df56e4755 (patch) | |
tree | 48270c87c6b683ff972a9e35651d27e620881118 /lib/VMCore | |
parent | 4bda11fbdafc1d4fa97b7539bdf5a0f62ecfc280 (diff) | |
download | llvm-2a610c7387664bc557a35ce3bb4c0d4df56e4755.tar.gz llvm-2a610c7387664bc557a35ce3bb4c0d4df56e4755.tar.bz2 llvm-2a610c7387664bc557a35ce3bb4c0d4df56e4755.tar.xz |
Update DebugInfo interface to use metadata, instead of special named llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well.
This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79977 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore')
-rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 74 | ||||
-rw-r--r-- | lib/VMCore/Metadata.cpp | 2 | ||||
-rw-r--r-- | lib/VMCore/ValueTypes.cpp | 1 |
3 files changed, 74 insertions, 3 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index e4c0d1afc4..3f23b8d993 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -16,8 +16,7 @@ #include "llvm/Function.h" #include "llvm/LLVMContext.h" #include "llvm/Module.h" -#include "llvm/Instructions.h" -#include "llvm/Intrinsics.h" +#include "llvm/IntrinsicInst.h" #include "llvm/ADT/SmallVector.h" #include "llvm/Support/ErrorHandling.h" #include <cstring> @@ -434,3 +433,74 @@ void llvm::UpgradeCallsToIntrinsic(Function* F) { } } } + +/// This function checks debug info intrinsics. If an intrinsic is invalid +/// then this function simply removes the intrinsic. +void llvm::CheckDebugInfoIntrinsics(Module *M) { + + + if (Function *FuncStart = M->getFunction("llvm.dbg.func.start")) { + if (!FuncStart->use_empty()) { + DbgFuncStartInst *DFSI = cast<DbgFuncStartInst>(FuncStart->use_back()); + if (!isa<MDNode>(DFSI->getOperand(1))) { + while (!FuncStart->use_empty()) { + CallInst *CI = cast<CallInst>(FuncStart->use_back()); + CI->eraseFromParent(); + } + FuncStart->eraseFromParent(); + } + } + } + + if (Function *StopPoint = M->getFunction("llvm.dbg.stoppoint")) { + if (!StopPoint->use_empty()) { + DbgStopPointInst *DSPI = cast<DbgStopPointInst>(StopPoint->use_back()); + if (!isa<MDNode>(DSPI->getOperand(3))) { + while (!StopPoint->use_empty()) { + CallInst *CI = cast<CallInst>(StopPoint->use_back()); + CI->eraseFromParent(); + } + StopPoint->eraseFromParent(); + } + } + } + + if (Function *RegionStart = M->getFunction("llvm.dbg.region.start")) { + if (!RegionStart->use_empty()) { + DbgRegionStartInst *DRSI = cast<DbgRegionStartInst>(RegionStart->use_back()); + if (!isa<MDNode>(DRSI->getOperand(1))) { + while (!RegionStart->use_empty()) { + CallInst *CI = cast<CallInst>(RegionStart->use_back()); + CI->eraseFromParent(); + } + RegionStart->eraseFromParent(); + } + } + } + + if (Function *RegionEnd = M->getFunction("llvm.dbg.region.end")) { + if (!RegionEnd->use_empty()) { + DbgRegionEndInst *DREI = cast<DbgRegionEndInst>(RegionEnd->use_back()); + if (!isa<MDNode>(DREI->getOperand(1))) { + while (!RegionEnd->use_empty()) { + CallInst *CI = cast<CallInst>(RegionEnd->use_back()); + CI->eraseFromParent(); + } + RegionEnd->eraseFromParent(); + } + } + } + + if (Function *Declare = M->getFunction("llvm.dbg.declare")) { + if (!Declare->use_empty()) { + DbgDeclareInst *DDI = cast<DbgDeclareInst>(Declare->use_back()); + if (!isa<MDNode>(DDI->getOperand(2))) { + while (!Declare->use_empty()) { + CallInst *CI = cast<CallInst>(Declare->use_back()); + CI->eraseFromParent(); + } + Declare->eraseFromParent(); + } + } + } +} diff --git a/lib/VMCore/Metadata.cpp b/lib/VMCore/Metadata.cpp index 208e1bcedc..d0bda869c0 100644 --- a/lib/VMCore/Metadata.cpp +++ b/lib/VMCore/Metadata.cpp @@ -82,7 +82,7 @@ MDNode *MDNode::get(LLVMContext &Context, Value*const* Vals, unsigned NumVals) { V.reserve(NumVals); for (unsigned i = 0; i < NumVals; ++i) V.push_back(Vals[i]); - + return pImpl->MDNodes.getOrCreate(Type::getMetadataTy(Context), V); } diff --git a/lib/VMCore/ValueTypes.cpp b/lib/VMCore/ValueTypes.cpp index b10b3c1200..7f9a6cde2d 100644 --- a/lib/VMCore/ValueTypes.cpp +++ b/lib/VMCore/ValueTypes.cpp @@ -169,6 +169,7 @@ const Type *EVT::getTypeForEVT(LLVMContext &Context) const { case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8); case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2); case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4); + case MVT::Metadata: return Type::getMetadataTy(Context); } } |