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-rw-r--r--lib/VMCore/Function.cpp2
-rw-r--r--lib/VMCore/Verifier.cpp17
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index dd78196..1374d55 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -105,6 +105,8 @@ ParamAttrsList::getParamAttrsText(uint16_t Attrs) {
Result += "sret ";
if (Attrs & ParamAttr::ByVal)
Result += "byval ";
+ if (Attrs & ParamAttr::Nest)
+ Result += "nest ";
return Result;
}
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index ffca88b..de4050d 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -361,6 +361,7 @@ void Verifier::visitFunction(Function &F) {
if (const ParamAttrsList *Attrs = FT->getParamAttrs()) {
unsigned Idx = 1;
+ bool SawNest = false;
Assert1(!Attrs->paramHasAttr(0, ParamAttr::ByVal),
"Attribute ByVal should not apply to functions!", &F);
@@ -368,6 +369,8 @@ void Verifier::visitFunction(Function &F) {
"Attribute SRet should not apply to functions!", &F);
Assert1(!Attrs->paramHasAttr(0, ParamAttr::InReg),
"Attribute InReg should not apply to functions!", &F);
+ Assert1(!Attrs->paramHasAttr(0, ParamAttr::Nest),
+ "Attribute Nest should not apply to functions!", &F);
for (FunctionType::param_iterator I = FT->param_begin(),
E = FT->param_end(); I != E; ++I, ++Idx) {
@@ -391,6 +394,20 @@ void Verifier::visitFunction(Function &F) {
"Attribute ByVal should only apply to pointer to structs!", &F);
}
+ if (Attrs->paramHasAttr(Idx, ParamAttr::Nest)) {
+ Assert1(!SawNest, "More than one parameter has attribute Nest!", &F);
+ SawNest = true;
+
+ Assert1(isa<PointerType>(FT->getParamType(Idx-1)),
+ "Attribute Nest should only apply to Pointer type!", &F);
+ Assert1(!Attrs->paramHasAttr(Idx, ParamAttr::ByVal),
+ "Attributes Nest and ByVal are incompatible!", &F);
+ Assert1(!Attrs->paramHasAttr(Idx, ParamAttr::InReg),
+ "Attributes Nest and InReg are incompatible!", &F);
+ Assert1(!Attrs->paramHasAttr(Idx, ParamAttr::StructRet),
+ "Attributes Nest and StructRet are incompatible!", &F);
+ }
+
Assert1(!Attrs->paramHasAttr(Idx, ParamAttr::NoReturn),
"Attribute NoReturn should only be applied to function", &F);
Assert1(!Attrs->paramHasAttr(Idx, ParamAttr::NoUnwind),