#include "llvm/IR/CallSite.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Instructions.h"
-#include "llvm/IR/LeakDetector.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/Type.h"
Instruction::Instruction(Type *ty, unsigned it, Use *Ops, unsigned NumOps,
Instruction *InsertBefore)
: User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(nullptr) {
- // Make sure that we get added to a basicblock
- LeakDetector::addGarbageObject(this);
// If requested, insert this instruction into a basic block...
if (InsertBefore) {
- assert(InsertBefore->getParent() &&
- "Instruction to insert before is not in a basic block!");
- InsertBefore->getParent()->getInstList().insert(InsertBefore, this);
+ BasicBlock *BB = InsertBefore->getParent();
+ assert(BB && "Instruction to insert before is not in a basic block!");
+ BB->getInstList().insert(InsertBefore, this);
}
}
-const DataLayout *Instruction::getDataLayout() const {
- return getParent()->getDataLayout();
-}
-
Instruction::Instruction(Type *ty, unsigned it, Use *Ops, unsigned NumOps,
BasicBlock *InsertAtEnd)
: User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(nullptr) {
- // Make sure that we get added to a basicblock
- LeakDetector::addGarbageObject(this);
// append this instruction into the basic block
assert(InsertAtEnd && "Basic block to append to may not be NULL!");
void Instruction::setParent(BasicBlock *P) {
- if (getParent()) {
- if (!P) LeakDetector::addGarbageObject(this);
- } else {
- if (P) LeakDetector::removeGarbageObject(this);
- }
-
Parent = P;
}
+const Module *Instruction::getModule() const {
+ return getParent()->getModule();
+}
+
+Module *Instruction::getModule() {
+ return getParent()->getModule();
+}
+
+
void Instruction::removeFromParent() {
getParent()->getInstList().remove(this);
}
-void Instruction::eraseFromParent() {
- getParent()->getInstList().erase(this);
+iplist<Instruction>::iterator Instruction::eraseFromParent() {
+ return getParent()->getInstList().erase(this);
}
/// insertBefore - Insert an unlinked instructions into a basic block
cast<FPMathOperator>(this)->setFastMathFlags(FMF);
}
+void Instruction::copyFastMathFlags(FastMathFlags FMF) {
+ assert(isa<FPMathOperator>(this) && "copying fast-math flag on invalid op");
+ cast<FPMathOperator>(this)->copyFastMathFlags(FMF);
+}
+
/// Determine whether the unsafe-algebra flag is set.
bool Instruction::hasUnsafeAlgebra() const {
assert(isa<FPMathOperator>(this) && "getting fast-math flag on invalid op");
/// Convenience function for getting all the fast-math flags, which must be an
/// operator which supports these flags. See LangRef.html for the meaning of
-/// these flats.
+/// these flags.
FastMathFlags Instruction::getFastMathFlags() const {
assert(isa<FPMathOperator>(this) && "getting fast-math flag on invalid op");
return cast<FPMathOperator>(this)->getFastMathFlags();
/// Copy I's fast-math flags
void Instruction::copyFastMathFlags(const Instruction *I) {
- setFastMathFlags(I->getFastMathFlags());
+ copyFastMathFlags(I->getFastMathFlags());
}
}
}
+bool Instruction::isAtomic() const {
+ switch (getOpcode()) {
+ default:
+ return false;
+ case Instruction::AtomicCmpXchg:
+ case Instruction::AtomicRMW:
+ case Instruction::Fence:
+ return true;
+ case Instruction::Load:
+ return cast<LoadInst>(this)->getOrdering() != NotAtomic;
+ case Instruction::Store:
+ return cast<StoreInst>(this)->getOrdering() != NotAtomic;
+ }
+}
+
bool Instruction::mayThrow() const {
if (const CallInst *CI = dyn_cast<CallInst>(this))
return !CI->doesNotThrow();
// Otherwise, enumerate and copy over metadata from the old instruction to the
// new one.
- SmallVector<std::pair<unsigned, MDNode*>, 4> TheMDs;
+ SmallVector<std::pair<unsigned, MDNode *>, 4> TheMDs;
getAllMetadataOtherThanDebugLoc(TheMDs);
for (const auto &MD : TheMDs)
New->setMetadata(MD.first, MD.second);