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-rw-r--r--lib/IR/Core.cpp156
1 files changed, 123 insertions, 33 deletions
diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index 3576137..f007616 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -26,8 +26,8 @@
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Module.h"
-#include "llvm/PassManager.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
@@ -556,12 +556,31 @@ int LLVMHasMetadata(LLVMValueRef Inst) {
}
LLVMValueRef LLVMGetMetadata(LLVMValueRef Inst, unsigned KindID) {
- return wrap(unwrap<Instruction>(Inst)->getMetadata(KindID));
+ auto *I = unwrap<Instruction>(Inst);
+ assert(I && "Expected instruction");
+ if (auto *MD = I->getMetadata(KindID))
+ return wrap(MetadataAsValue::get(I->getContext(), MD));
+ return nullptr;
+}
+
+// MetadataAsValue uses a canonical format which strips the actual MDNode for
+// MDNode with just a single constant value, storing just a ConstantAsMetadata
+// This undoes this canonicalization, reconstructing the MDNode.
+static MDNode *extractMDNode(MetadataAsValue *MAV) {
+ Metadata *MD = MAV->getMetadata();
+ assert((isa<MDNode>(MD) || isa<ConstantAsMetadata>(MD)) &&
+ "Expected a metadata node or a canonicalized constant");
+
+ if (MDNode *N = dyn_cast<MDNode>(MD))
+ return N;
+
+ return MDNode::get(MAV->getContext(), MD);
}
-void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef MD) {
- unwrap<Instruction>(Inst)
- ->setMetadata(KindID, MD ? unwrap<MDNode>(MD) : nullptr);
+void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef Val) {
+ MDNode *N = Val ? extractMDNode(unwrap<MetadataAsValue>(Val)) : nullptr;
+
+ unwrap<Instruction>(Inst)->setMetadata(KindID, N);
}
/*--.. Conversion functions ................................................--*/
@@ -573,6 +592,21 @@ void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef MD) {
LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DEFINE_VALUE_CAST)
+LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val) {
+ if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
+ if (isa<MDNode>(MD->getMetadata()) ||
+ isa<ValueAsMetadata>(MD->getMetadata()))
+ return Val;
+ return nullptr;
+}
+
+LLVMValueRef LLVMIsAMDString(LLVMValueRef Val) {
+ if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
+ if (isa<MDString>(MD->getMetadata()))
+ return Val;
+ return nullptr;
+}
+
/*--.. Operations on Uses ..................................................--*/
LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val) {
Value *V = unwrap(Val);
@@ -598,10 +632,28 @@ LLVMValueRef LLVMGetUsedValue(LLVMUseRef U) {
}
/*--.. Operations on Users .................................................--*/
+
+static LLVMValueRef getMDNodeOperandImpl(LLVMContext &Context, const MDNode *N,
+ unsigned Index) {
+ Metadata *Op = N->getOperand(Index);
+ if (!Op)
+ return nullptr;
+ if (auto *C = dyn_cast<ConstantAsMetadata>(Op))
+ return wrap(C->getValue());
+ return wrap(MetadataAsValue::get(Context, Op));
+}
+
LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
Value *V = unwrap(Val);
- if (MDNode *MD = dyn_cast<MDNode>(V))
- return wrap(MD->getOperand(Index));
+ if (auto *MD = dyn_cast<MetadataAsValue>(V)) {
+ if (auto *L = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
+ assert(Index == 0 && "Function-local metadata can only have one operand");
+ return wrap(L->getValue());
+ }
+ return getMDNodeOperandImpl(V->getContext(),
+ cast<MDNode>(MD->getMetadata()), Index);
+ }
+
return wrap(cast<User>(V)->getOperand(Index));
}
@@ -616,8 +668,9 @@ void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
int LLVMGetNumOperands(LLVMValueRef Val) {
Value *V = unwrap(Val);
- if (MDNode *MD = dyn_cast<MDNode>(V))
- return MD->getNumOperands();
+ if (isa<MetadataAsValue>(V))
+ return LLVMGetMDNodeNumOperands(Val);
+
return cast<User>(V)->getNumOperands();
}
@@ -658,7 +711,9 @@ LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty) {
LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
unsigned SLen) {
- return wrap(MDString::get(*unwrap(C), StringRef(Str, SLen)));
+ LLVMContext &Context = *unwrap(C);
+ return wrap(MetadataAsValue::get(
+ Context, MDString::get(Context, StringRef(Str, SLen))));
}
LLVMValueRef LLVMMDString(const char *Str, unsigned SLen) {
@@ -667,8 +722,29 @@ LLVMValueRef LLVMMDString(const char *Str, unsigned SLen) {
LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
unsigned Count) {
- return wrap(MDNode::get(*unwrap(C),
- makeArrayRef(unwrap<Value>(Vals, Count), Count)));
+ LLVMContext &Context = *unwrap(C);
+ SmallVector<Metadata *, 8> MDs;
+ for (auto *OV : makeArrayRef(Vals, Count)) {
+ Value *V = unwrap(OV);
+ Metadata *MD;
+ if (!V)
+ MD = nullptr;
+ else if (auto *C = dyn_cast<Constant>(V))
+ MD = ConstantAsMetadata::get(C);
+ else if (auto *MDV = dyn_cast<MetadataAsValue>(V)) {
+ MD = MDV->getMetadata();
+ assert(!isa<LocalAsMetadata>(MD) && "Unexpected function-local metadata "
+ "outside of direct argument to call");
+ } else {
+ // This is function-local metadata. Pretend to make an MDNode.
+ assert(Count == 1 &&
+ "Expected only one operand to function-local metadata");
+ return wrap(MetadataAsValue::get(Context, LocalAsMetadata::get(V)));
+ }
+
+ MDs.push_back(MD);
+ }
+ return wrap(MetadataAsValue::get(Context, MDNode::get(Context, MDs)));
}
LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
@@ -676,25 +752,35 @@ LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
}
const char *LLVMGetMDString(LLVMValueRef V, unsigned* Len) {
- if (const MDString *S = dyn_cast<MDString>(unwrap(V))) {
- *Len = S->getString().size();
- return S->getString().data();
- }
+ if (const auto *MD = dyn_cast<MetadataAsValue>(unwrap(V)))
+ if (const MDString *S = dyn_cast<MDString>(MD->getMetadata())) {
+ *Len = S->getString().size();
+ return S->getString().data();
+ }
*Len = 0;
return nullptr;
}
unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V)
{
- return cast<MDNode>(unwrap(V))->getNumOperands();
+ auto *MD = cast<MetadataAsValue>(unwrap(V));
+ if (isa<ValueAsMetadata>(MD->getMetadata()))
+ return 1;
+ return cast<MDNode>(MD->getMetadata())->getNumOperands();
}
void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest)
{
- const MDNode *N = cast<MDNode>(unwrap(V));
+ auto *MD = cast<MetadataAsValue>(unwrap(V));
+ if (auto *MDV = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
+ *Dest = wrap(MDV->getValue());
+ return;
+ }
+ const auto *N = cast<MDNode>(MD->getMetadata());
const unsigned numOperands = N->getNumOperands();
+ LLVMContext &Context = unwrap(V)->getContext();
for (unsigned i = 0; i < numOperands; i++)
- Dest[i] = wrap(N->getOperand(i));
+ Dest[i] = getMDNodeOperandImpl(Context, N, i);
}
unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char* name)
@@ -710,8 +796,9 @@ void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char* name, LLVMValueRe
NamedMDNode *N = unwrap(M)->getNamedMetadata(name);
if (!N)
return;
+ LLVMContext &Context = unwrap(M)->getContext();
for (unsigned i=0;i<N->getNumOperands();i++)
- Dest[i] = wrap(N->getOperand(i));
+ Dest[i] = wrap(MetadataAsValue::get(Context, N->getOperand(i)));
}
void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char* name,
@@ -720,9 +807,9 @@ void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char* name,
NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(name);
if (!N)
return;
- MDNode *Op = Val ? unwrap<MDNode>(Val) : nullptr;
- if (Op)
- N->addOperand(Op);
+ if (!Val)
+ return;
+ N->addOperand(extractMDNode(unwrap<MetadataAsValue>(Val)));
}
/*--.. Operations on scalar constants ......................................--*/
@@ -1543,7 +1630,7 @@ LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
auto *PTy = cast<PointerType>(unwrap(Ty));
return wrap(GlobalAlias::create(PTy->getElementType(), PTy->getAddressSpace(),
GlobalValue::ExternalLinkage, Name,
- unwrap<GlobalObject>(Aliasee), unwrap(M)));
+ unwrap<Constant>(Aliasee), unwrap(M)));
}
/*--.. Operations on functions .............................................--*/
@@ -2092,13 +2179,16 @@ void LLVMDisposeBuilder(LLVMBuilderRef Builder) {
/*--.. Metadata builders ...................................................--*/
void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L) {
- MDNode *Loc = L ? unwrap<MDNode>(L) : nullptr;
+ MDNode *Loc =
+ L ? cast<MDNode>(unwrap<MetadataAsValue>(L)->getMetadata()) : nullptr;
unwrap(Builder)->SetCurrentDebugLocation(DebugLoc::getFromDILocation(Loc));
}
LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder) {
- return wrap(unwrap(Builder)->getCurrentDebugLocation()
- .getAsMDNode(unwrap(Builder)->getContext()));
+ LLVMContext &Context = unwrap(Builder)->getContext();
+ return wrap(MetadataAsValue::get(
+ Context,
+ unwrap(Builder)->getCurrentDebugLocation().getAsMDNode(Context)));
}
void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst) {
@@ -2755,11 +2845,11 @@ LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void) {
/*===-- Pass Manager ------------------------------------------------------===*/
LLVMPassManagerRef LLVMCreatePassManager() {
- return wrap(new PassManager());
+ return wrap(new legacy::PassManager());
}
LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) {
- return wrap(new FunctionPassManager(unwrap(M)));
+ return wrap(new legacy::FunctionPassManager(unwrap(M)));
}
LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
@@ -2768,19 +2858,19 @@ LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
}
LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
- return unwrap<PassManager>(PM)->run(*unwrap(M));
+ return unwrap<legacy::PassManager>(PM)->run(*unwrap(M));
}
LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) {
- return unwrap<FunctionPassManager>(FPM)->doInitialization();
+ return unwrap<legacy::FunctionPassManager>(FPM)->doInitialization();
}
LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) {
- return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
+ return unwrap<legacy::FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
}
LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) {
- return unwrap<FunctionPassManager>(FPM)->doFinalization();
+ return unwrap<legacy::FunctionPassManager>(FPM)->doFinalization();
}
void LLVMDisposePassManager(LLVMPassManagerRef PM) {
generated by cgit v1.1 at 2024-12-22 11:50:27 +0000