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Add some convenience methods for manipulating
call attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53223 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1065,6 +1065,9 @@ public:
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/// addParamAttr - adds the attribute to the list of attributes.
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void addParamAttr(unsigned i, ParameterAttributes attr);
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/// removeParamAttr - removes the attribute from the list of attributes.
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void removeParamAttr(unsigned i, ParameterAttributes attr);
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/// @brief Determine whether the call or the callee has the given attribute.
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bool paramHasAttr(unsigned i, unsigned attr) const;
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@ -1077,22 +1080,37 @@ public:
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bool doesNotAccessMemory() const {
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return paramHasAttr(0, ParamAttr::ReadNone);
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}
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void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
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if (doesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
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else removeParamAttr(0, ParamAttr::ReadNone);
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}
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/// @brief Determine if the call does not access or only reads memory.
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bool onlyReadsMemory() const {
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return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
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}
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void setOnlyReadsMemory(bool onlyReadsMemory = true) {
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if (onlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
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else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
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}
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/// @brief Determine if the call cannot return.
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bool doesNotReturn() const {
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return paramHasAttr(0, ParamAttr::NoReturn);
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}
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void setDoesNotReturn(bool doesNotReturn = true) {
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if (doesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
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else removeParamAttr(0, ParamAttr::NoReturn);
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}
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/// @brief Determine if the call cannot unwind.
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bool doesNotThrow() const {
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return paramHasAttr(0, ParamAttr::NoUnwind);
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}
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void setDoesNotThrow(bool doesNotThrow = true);
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void setDoesNotThrow(bool doesNotThrow = true) {
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if (doesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
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else removeParamAttr(0, ParamAttr::NoUnwind);
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}
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/// @brief Determine if the call returns a structure through first
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/// pointer argument.
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@ -2427,6 +2445,9 @@ public:
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/// addParamAttr - adds the attribute to the list of attributes.
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void addParamAttr(unsigned i, ParameterAttributes attr);
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/// removeParamAttr - removes the attribute from the list of attributes.
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void removeParamAttr(unsigned i, ParameterAttributes attr);
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/// @brief Extract the alignment for a call or parameter (0=unknown).
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unsigned getParamAlignment(unsigned i) const {
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return ParamAttrs.getParamAlignment(i);
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@ -2436,22 +2457,37 @@ public:
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bool doesNotAccessMemory() const {
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return paramHasAttr(0, ParamAttr::ReadNone);
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}
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void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
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if (doesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
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else removeParamAttr(0, ParamAttr::ReadNone);
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}
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/// @brief Determine if the call does not access or only reads memory.
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bool onlyReadsMemory() const {
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return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
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}
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void setOnlyReadsMemory(bool onlyReadsMemory = true) {
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if (onlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
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else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
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}
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/// @brief Determine if the call cannot return.
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bool doesNotReturn() const {
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return paramHasAttr(0, ParamAttr::NoReturn);
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}
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void setDoesNotReturn(bool doesNotReturn = true) {
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if (doesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
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else removeParamAttr(0, ParamAttr::NoReturn);
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}
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/// @brief Determine if the call cannot unwind.
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bool doesNotThrow() const {
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return paramHasAttr(0, ParamAttr::NoUnwind);
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}
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void setDoesNotThrow(bool doesNotThrow = true);
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void setDoesNotThrow(bool doesNotThrow = true) {
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if (doesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
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else removeParamAttr(0, ParamAttr::NoUnwind);
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}
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/// @brief Determine if the call returns a structure through first
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/// pointer argument.
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@ -75,9 +75,15 @@ public:
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/// @brief Determine if the call does not access memory.
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bool doesNotAccessMemory() const;
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void setDoesNotAccessMemory(bool doesNotAccessMemory = true);
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/// @brief Determine if the call does not access or only reads memory.
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bool onlyReadsMemory() const;
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void setOnlyReadsMemory(bool onlyReadsMemory = true);
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/// @brief Determine if the call cannot return.
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bool doesNotReturn() const;
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void setDoesNotReturn(bool doesNotReturn = true);
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/// @brief Determine if the call cannot unwind.
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bool doesNotThrow() const;
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@ -72,12 +72,36 @@ bool CallSite::doesNotAccessMemory() const {
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else
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return cast<InvokeInst>(I)->doesNotAccessMemory();
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}
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void CallSite::setDoesNotAccessMemory(bool doesNotAccessMemory) {
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if (CallInst *CI = dyn_cast<CallInst>(I))
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CI->setDoesNotAccessMemory(doesNotAccessMemory);
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else
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cast<InvokeInst>(I)->setDoesNotAccessMemory(doesNotAccessMemory);
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}
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bool CallSite::onlyReadsMemory() const {
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if (CallInst *CI = dyn_cast<CallInst>(I))
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return CI->onlyReadsMemory();
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else
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return cast<InvokeInst>(I)->onlyReadsMemory();
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}
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void CallSite::setOnlyReadsMemory(bool onlyReadsMemory) {
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if (CallInst *CI = dyn_cast<CallInst>(I))
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CI->setOnlyReadsMemory(onlyReadsMemory);
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else
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cast<InvokeInst>(I)->setOnlyReadsMemory(onlyReadsMemory);
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}
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bool CallSite::doesNotReturn() const {
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if (CallInst *CI = dyn_cast<CallInst>(I))
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return CI->doesNotReturn();
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else
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return cast<InvokeInst>(I)->doesNotReturn();
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}
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void CallSite::setDoesNotReturn(bool doesNotReturn) {
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if (CallInst *CI = dyn_cast<CallInst>(I))
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CI->setDoesNotReturn(doesNotReturn);
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else
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cast<InvokeInst>(I)->setDoesNotReturn(doesNotReturn);
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}
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bool CallSite::doesNotThrow() const {
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if (CallInst *CI = dyn_cast<CallInst>(I))
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return CI->doesNotThrow();
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@ -384,6 +408,12 @@ void CallInst::addParamAttr(unsigned i, ParameterAttributes attr) {
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setParamAttrs(PAL);
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}
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void CallInst::removeParamAttr(unsigned i, ParameterAttributes attr) {
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PAListPtr PAL = getParamAttrs();
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PAL = PAL.removeAttr(i, attr);
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setParamAttrs(PAL);
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}
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bool CallInst::paramHasAttr(unsigned i, ParameterAttributes attr) const {
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if (ParamAttrs.paramHasAttr(i, attr))
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return true;
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@ -392,15 +422,6 @@ bool CallInst::paramHasAttr(unsigned i, ParameterAttributes attr) const {
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return false;
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}
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void CallInst::setDoesNotThrow(bool doesNotThrow) {
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PAListPtr PAL = getParamAttrs();
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if (doesNotThrow)
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PAL = PAL.addAttr(0, ParamAttr::NoUnwind);
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else
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PAL = PAL.removeAttr(0, ParamAttr::NoUnwind);
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setParamAttrs(PAL);
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}
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//===----------------------------------------------------------------------===//
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// InvokeInst Implementation
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@ -466,12 +487,9 @@ void InvokeInst::addParamAttr(unsigned i, ParameterAttributes attr) {
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setParamAttrs(PAL);
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}
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void InvokeInst::setDoesNotThrow(bool doesNotThrow) {
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void InvokeInst::removeParamAttr(unsigned i, ParameterAttributes attr) {
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PAListPtr PAL = getParamAttrs();
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if (doesNotThrow)
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PAL = PAL.addAttr(0, ParamAttr::NoUnwind);
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else
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PAL = PAL.removeAttr(0, ParamAttr::NoUnwind);
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PAL = PAL.removeAttr(i, attr);
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setParamAttrs(PAL);
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}
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