#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>
}
break;
+ case 'e':
+ // The old llvm.eh.selector.i32 is equivalent to the new llvm.eh.selector.
+ if (Name.compare("llvm.eh.selector.i32") == 0) {
+ F->setName("llvm.eh.selector");
+ NewFn = F;
+ return true;
+ }
+ // The old llvm.eh.typeid.for.i32 is equivalent to llvm.eh.typeid.for.
+ if (Name.compare("llvm.eh.typeid.for.i32") == 0) {
+ F->setName("llvm.eh.typeid.for");
+ NewFn = F;
+ return true;
+ }
+ // Convert the old llvm.eh.selector.i64 to a call to llvm.eh.selector.
+ if (Name.compare("llvm.eh.selector.i64") == 0) {
+ NewFn = Intrinsic::getDeclaration(M, Intrinsic::eh_selector);
+ return true;
+ }
+ // Convert the old llvm.eh.typeid.for.i64 to a call to llvm.eh.typeid.for.
+ if (Name.compare("llvm.eh.typeid.for.i64") == 0) {
+ NewFn = Intrinsic::getDeclaration(M, Intrinsic::eh_typeid_for);
+ return true;
+ }
+ break;
+
case 'p':
// This upgrades the llvm.part.select overloaded intrinsic names to only
// use one type specifier in the name. We only care about the old format
if (isLoadH || isLoadL) {
Value *Op1 = UndefValue::get(Op0->getType());
Value *Addr = new BitCastInst(CI->getOperand(2),
- PointerType::getUnqual(Type::getDoubleTy(C)),
+ Type::getDoublePtrTy(C),
"upgraded.", CI);
Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
Value *Idx = ConstantInt::get(Type::getInt32Ty(C), 0);
CI->eraseFromParent();
}
break;
+ case Intrinsic::eh_selector:
+ case Intrinsic::eh_typeid_for: {
+ // Only the return type changed.
+ SmallVector<Value*, 8> Operands(CI->op_begin() + 1, CI->op_end());
+ CallInst *NewCI = CallInst::Create(NewFn, Operands.begin(), Operands.end(),
+ "upgraded." + CI->getName(), CI);
+ NewCI->setTailCall(CI->isTailCall());
+ NewCI->setCallingConv(CI->getCallingConv());
+
+ // Handle any uses of the old CallInst.
+ if (!CI->use_empty()) {
+ // Construct an appropriate cast from the new return type to the old.
+ CastInst *RetCast =
+ CastInst::Create(CastInst::getCastOpcode(NewCI, true,
+ F->getReturnType(), true),
+ NewCI, F->getReturnType(), NewCI->getName(), CI);
+ CI->replaceAllUsesWith(RetCast);
+ }
+ CI->eraseFromParent();
+ }
+ break;
}
}
}
}
}
+
+/// 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();
+ }
+ }
+ }
+}