diff options
Diffstat (limited to 'lib/VMCore/AutoUpgrade.cpp')
-rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 74 |
1 files changed, 72 insertions, 2 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index e4c0d1a..3f23b8d 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(); + } + } + } +} |