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-rw-r--r--lib/VMCore/Instructions.cpp79
1 files changed, 16 insertions, 63 deletions
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp
index f7401ec979..ee9a02e91a 100644
--- a/lib/VMCore/Instructions.cpp
+++ b/lib/VMCore/Instructions.cpp
@@ -17,7 +17,6 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
-#include "llvm/ParamAttrsList.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/ConstantRange.h"
#include "llvm/Support/MathExtras.h"
@@ -43,13 +42,13 @@ void CallSite::setCallingConv(unsigned CC) {
else
cast<InvokeInst>(I)->setCallingConv(CC);
}
-const ParamAttrsList* CallSite::getParamAttrs() const {
+const PAListPtr &CallSite::getParamAttrs() const {
if (CallInst *CI = dyn_cast<CallInst>(I))
return CI->getParamAttrs();
else
return cast<InvokeInst>(I)->getParamAttrs();
}
-void CallSite::setParamAttrs(const ParamAttrsList *PAL) {
+void CallSite::setParamAttrs(const PAListPtr &PAL) {
if (CallInst *CI = dyn_cast<CallInst>(I))
CI->setParamAttrs(PAL);
else
@@ -243,12 +242,9 @@ Value *PHINode::hasConstantValue(bool AllowNonDominatingInstruction) const {
CallInst::~CallInst() {
delete [] OperandList;
- if (ParamAttrs)
- ParamAttrs->dropRef();
}
void CallInst::init(Value *Func, Value* const *Params, unsigned NumParams) {
- ParamAttrs = 0;
NumOperands = NumParams+1;
Use *OL = OperandList = new Use[NumParams+1];
OL[0].init(Func, this);
@@ -269,7 +265,6 @@ void CallInst::init(Value *Func, Value* const *Params, unsigned NumParams) {
}
void CallInst::init(Value *Func, Value *Actual1, Value *Actual2) {
- ParamAttrs = 0;
NumOperands = 3;
Use *OL = OperandList = new Use[3];
OL[0].init(Func, this);
@@ -292,7 +287,6 @@ void CallInst::init(Value *Func, Value *Actual1, Value *Actual2) {
}
void CallInst::init(Value *Func, Value *Actual) {
- ParamAttrs = 0;
NumOperands = 2;
Use *OL = OperandList = new Use[2];
OL[0].init(Func, this);
@@ -311,7 +305,6 @@ void CallInst::init(Value *Func, Value *Actual) {
}
void CallInst::init(Value *Func) {
- ParamAttrs = 0;
NumOperands = 1;
Use *OL = OperandList = new Use[1];
OL[0].init(Func, this);
@@ -360,8 +353,7 @@ CallInst::CallInst(Value *Func, const std::string &Name,
CallInst::CallInst(const CallInst &CI)
: Instruction(CI.getType(), Instruction::Call, new Use[CI.getNumOperands()],
- CI.getNumOperands()),
- ParamAttrs(0) {
+ CI.getNumOperands()) {
setParamAttrs(CI.getParamAttrs());
SubclassData = CI.SubclassData;
Use *OL = OperandList;
@@ -370,21 +362,8 @@ CallInst::CallInst(const CallInst &CI)
OL[i].init(InOL[i], this);
}
-void CallInst::setParamAttrs(const ParamAttrsList *newAttrs) {
- if (ParamAttrs == newAttrs)
- return;
-
- if (ParamAttrs)
- ParamAttrs->dropRef();
-
- if (newAttrs)
- newAttrs->addRef();
-
- ParamAttrs = newAttrs;
-}
-
bool CallInst::paramHasAttr(uint16_t i, ParameterAttributes attr) const {
- if (ParamAttrs && ParamAttrs->paramHasAttr(i, attr))
+ if (ParamAttrs.paramHasAttr(i, attr))
return true;
if (const Function *F = getCalledFunction())
return F->paramHasAttr(i, attr);
@@ -392,11 +371,7 @@ bool CallInst::paramHasAttr(uint16_t i, ParameterAttributes attr) const {
}
uint16_t CallInst::getParamAlignment(uint16_t i) const {
- if (ParamAttrs && ParamAttrs->getParamAlignment(i))
- return ParamAttrs->getParamAlignment(i);
- if (const Function *F = getCalledFunction())
- return F->getParamAlignment(i);
- return 0;
+ return ParamAttrs.getParamAlignment(i);
}
/// @brief Determine if the call does not access memory.
@@ -428,21 +403,20 @@ bool CallInst::hasStructRetAttr() const {
/// @brief Determine if any call argument is an aggregate passed by value.
bool CallInst::hasByValArgument() const {
- if (ParamAttrs && ParamAttrs->hasAttrSomewhere(ParamAttr::ByVal))
+ if (ParamAttrs.hasAttrSomewhere(ParamAttr::ByVal))
return true;
// Be consistent with other methods and check the callee too.
if (const Function *F = getCalledFunction())
- if (const ParamAttrsList *PAL = F->getParamAttrs())
- return PAL->hasAttrSomewhere(ParamAttr::ByVal);
+ return F->getParamAttrs().hasAttrSomewhere(ParamAttr::ByVal);
return false;
}
void CallInst::setDoesNotThrow(bool doesNotThrow) {
- const ParamAttrsList *PAL = getParamAttrs();
+ PAListPtr PAL = getParamAttrs();
if (doesNotThrow)
- PAL = ParamAttrsList::includeAttrs(PAL, 0, ParamAttr::NoUnwind);
+ PAL = PAL.addAttr(0, ParamAttr::NoUnwind);
else
- PAL = ParamAttrsList::excludeAttrs(PAL, 0, ParamAttr::NoUnwind);
+ PAL = PAL.removeAttr(0, ParamAttr::NoUnwind);
setParamAttrs(PAL);
}
@@ -453,13 +427,10 @@ void CallInst::setDoesNotThrow(bool doesNotThrow) {
InvokeInst::~InvokeInst() {
delete [] OperandList;
- if (ParamAttrs)
- ParamAttrs->dropRef();
}
void InvokeInst::init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
Value* const *Args, unsigned NumArgs) {
- ParamAttrs = 0;
NumOperands = 3+NumArgs;
Use *OL = OperandList = new Use[3+NumArgs];
OL[0].init(Fn, this);
@@ -484,8 +455,7 @@ void InvokeInst::init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
InvokeInst::InvokeInst(const InvokeInst &II)
: TerminatorInst(II.getType(), Instruction::Invoke,
- new Use[II.getNumOperands()], II.getNumOperands()),
- ParamAttrs(0) {
+ new Use[II.getNumOperands()], II.getNumOperands()) {
setParamAttrs(II.getParamAttrs());
SubclassData = II.SubclassData;
Use *OL = OperandList, *InOL = II.OperandList;
@@ -503,21 +473,8 @@ void InvokeInst::setSuccessorV(unsigned idx, BasicBlock *B) {
return setSuccessor(idx, B);
}
-void InvokeInst::setParamAttrs(const ParamAttrsList *newAttrs) {
- if (ParamAttrs == newAttrs)
- return;
-
- if (ParamAttrs)
- ParamAttrs->dropRef();
-
- if (newAttrs)
- newAttrs->addRef();
-
- ParamAttrs = newAttrs;
-}
-
bool InvokeInst::paramHasAttr(uint16_t i, ParameterAttributes attr) const {
- if (ParamAttrs && ParamAttrs->paramHasAttr(i, attr))
+ if (ParamAttrs.paramHasAttr(i, attr))
return true;
if (const Function *F = getCalledFunction())
return F->paramHasAttr(i, attr);
@@ -525,11 +482,7 @@ bool InvokeInst::paramHasAttr(uint16_t i, ParameterAttributes attr) const {
}
uint16_t InvokeInst::getParamAlignment(uint16_t i) const {
- if (ParamAttrs && ParamAttrs->getParamAlignment(i))
- return ParamAttrs->getParamAlignment(i);
- if (const Function *F = getCalledFunction())
- return F->getParamAlignment(i);
- return 0;
+ return ParamAttrs.getParamAlignment(i);
}
/// @brief Determine if the call does not access memory.
@@ -553,11 +506,11 @@ bool InvokeInst::doesNotThrow() const {
}
void InvokeInst::setDoesNotThrow(bool doesNotThrow) {
- const ParamAttrsList *PAL = getParamAttrs();
+ PAListPtr PAL = getParamAttrs();
if (doesNotThrow)
- PAL = ParamAttrsList::includeAttrs(PAL, 0, ParamAttr::NoUnwind);
+ PAL = PAL.addAttr(0, ParamAttr::NoUnwind);
else
- PAL = ParamAttrsList::excludeAttrs(PAL, 0, ParamAttr::NoUnwind);
+ PAL = PAL.removeAttr(0, ParamAttr::NoUnwind);
setParamAttrs(PAL);
}