[clang] 2f3fe3e - [CodeGen] Remove Constant arguments from linkage functions, NFCI.
Jonas Hahnfeld via cfe-commits
cfe-commits at lists.llvm.org
Wed Aug 16 23:36:56 PDT 2023
Author: Jonas Hahnfeld
Date: 2023-08-17T08:28:51+02:00
New Revision: 2f3fe3ed97bcf778d73eda5aae9f166810a4af02
URL: https://github.com/llvm/llvm-project/commit/2f3fe3ed97bcf778d73eda5aae9f166810a4af02
DIFF: https://github.com/llvm/llvm-project/commit/2f3fe3ed97bcf778d73eda5aae9f166810a4af02.diff
LOG: [CodeGen] Remove Constant arguments from linkage functions, NFCI.
This was unused since commit dd2362a8ba last year.
Differential Revision: https://reviews.llvm.org/D156891
Added:
Modified:
clang/lib/CodeGen/CGCXXABI.cpp
clang/lib/CodeGen/CGDecl.cpp
clang/lib/CodeGen/CGExpr.cpp
clang/lib/CodeGen/CGExprConstant.cpp
clang/lib/CodeGen/CGOpenMPRuntime.cpp
clang/lib/CodeGen/CodeGenModule.cpp
clang/lib/CodeGen/CodeGenModule.h
clang/lib/CodeGen/ItaniumCXXABI.cpp
clang/lib/CodeGen/MicrosoftCXXABI.cpp
Removed:
################################################################################
diff --git a/clang/lib/CodeGen/CGCXXABI.cpp b/clang/lib/CodeGen/CGCXXABI.cpp
index 7b77dd7875bc6c..4df6f6505ef667 100644
--- a/clang/lib/CodeGen/CGCXXABI.cpp
+++ b/clang/lib/CodeGen/CGCXXABI.cpp
@@ -312,8 +312,7 @@ void CGCXXABI::setCXXDestructorDLLStorage(llvm::GlobalValue *GV,
llvm::GlobalValue::LinkageTypes CGCXXABI::getCXXDestructorLinkage(
GVALinkage Linkage, const CXXDestructorDecl *Dtor, CXXDtorType DT) const {
// Delegate back to CGM by default.
- return CGM.getLLVMLinkageForDeclarator(Dtor, Linkage,
- /*IsConstantVariable=*/false);
+ return CGM.getLLVMLinkageForDeclarator(Dtor, Linkage);
}
bool CGCXXABI::NeedsVTTParameter(GlobalDecl GD) {
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index b68fe3c3c15f81..d8f2fa1f593a60 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -202,7 +202,7 @@ void CodeGenFunction::EmitVarDecl(const VarDecl &D) {
return;
llvm::GlobalValue::LinkageTypes Linkage =
- CGM.getLLVMLinkageVarDefinition(&D, /*IsConstant=*/false);
+ CGM.getLLVMLinkageVarDefinition(&D);
// FIXME: We need to force the emission/use of a guard variable for
// some variables even if we can constant-evaluate them because
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 31c04255ddcbc0..0f06f3d4089ad8 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -2679,8 +2679,7 @@ static LValue EmitGlobalNamedRegister(const VarDecl *VD, CodeGenModule &CGM) {
/// this context.
static bool canEmitSpuriousReferenceToVariable(CodeGenFunction &CGF,
const DeclRefExpr *E,
- const VarDecl *VD,
- bool IsConstant) {
+ const VarDecl *VD) {
// For a variable declared in an enclosing scope, do not emit a spurious
// reference even if we have a capture, as that will emit an unwarranted
// reference to our capture state, and will likely generate worse code than
@@ -2713,7 +2712,7 @@ static bool canEmitSpuriousReferenceToVariable(CodeGenFunction &CGF,
// We can emit a spurious reference only if the linkage implies that we'll
// be emitting a non-interposable symbol that will be retained until link
// time.
- switch (CGF.CGM.getLLVMLinkageVarDefinition(VD, IsConstant)) {
+ switch (CGF.CGM.getLLVMLinkageVarDefinition(VD)) {
case llvm::GlobalValue::ExternalLinkage:
case llvm::GlobalValue::LinkOnceODRLinkage:
case llvm::GlobalValue::WeakODRLinkage:
@@ -2744,7 +2743,7 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
// constant value directly instead.
if (E->isNonOdrUse() == NOUR_Constant &&
(VD->getType()->isReferenceType() ||
- !canEmitSpuriousReferenceToVariable(*this, E, VD, true))) {
+ !canEmitSpuriousReferenceToVariable(*this, E, VD))) {
VD->getAnyInitializer(VD);
llvm::Constant *Val = ConstantEmitter(*this).emitAbstract(
E->getLocation(), *VD->evaluateValue(), VD->getType());
@@ -2846,7 +2845,7 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
// some reason; most likely, because it's in an outer function.
} else if (VD->isStaticLocal()) {
llvm::Constant *var = CGM.getOrCreateStaticVarDecl(
- *VD, CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false));
+ *VD, CGM.getLLVMLinkageVarDefinition(VD));
addr = Address(
var, ConvertTypeForMem(VD->getType()), getContext().getDeclAlign(VD));
diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp
index 622d586254f336..52d61f1e298087 100644
--- a/clang/lib/CodeGen/CGExprConstant.cpp
+++ b/clang/lib/CodeGen/CGExprConstant.cpp
@@ -1953,7 +1953,7 @@ ConstantLValueEmitter::tryEmitBase(const APValue::LValueBase &base) {
if (VD->isLocalVarDecl()) {
return CGM.getOrCreateStaticVarDecl(
- *VD, CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false));
+ *VD, CGM.getLLVMLinkageVarDefinition(VD));
}
}
}
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index d35788ec38c2c7..8d0cdb223635b2 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -1570,7 +1570,7 @@ Address CGOpenMPRuntime::getAddrOfDeclareTargetVar(const VarDecl *VD) {
auto AddrOfGlobal = [&VD, this]() { return CGM.GetAddrOfGlobal(VD); };
auto LinkageForVariable = [&VD, this]() {
- return CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false);
+ return CGM.getLLVMLinkageVarDefinition(VD);
};
std::vector<llvm::GlobalVariable *> GeneratedRefs;
@@ -10087,7 +10087,7 @@ void CGOpenMPRuntime::registerTargetGlobalVariable(const VarDecl *VD,
auto AddrOfGlobal = [&VD, this]() { return CGM.GetAddrOfGlobal(VD); };
auto LinkageForVariable = [&VD, this]() {
- return CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false);
+ return CGM.getLLVMLinkageVarDefinition(VD);
};
std::vector<llvm::GlobalVariable *> GeneratedRefs;
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 0d22713dbb310c..2a7a36e53d8189 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1979,7 +1979,7 @@ CodeGenModule::getFunctionLinkage(GlobalDecl GD) {
return llvm::GlobalValue::InternalLinkage;
}
- return getLLVMLinkageForDeclarator(D, Linkage, /*IsConstantVariable=*/false);
+ return getLLVMLinkageForDeclarator(D, Linkage);
}
llvm::ConstantInt *CodeGenModule::CreateCrossDsoCfiTypeId(llvm::Metadata *MD) {
@@ -5220,8 +5220,7 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D,
AddGlobalAnnotations(D, GV);
// Set the llvm linkage type as appropriate.
- llvm::GlobalValue::LinkageTypes Linkage =
- getLLVMLinkageVarDefinition(D, GV->isConstant());
+ llvm::GlobalValue::LinkageTypes Linkage = getLLVMLinkageVarDefinition(D);
// CUDA B.2.1 "The __device__ qualifier declares a variable that resides on
// the device. [...]"
@@ -5414,8 +5413,9 @@ static bool isVarDeclStrongDefinition(const ASTContext &Context,
return false;
}
-llvm::GlobalValue::LinkageTypes CodeGenModule::getLLVMLinkageForDeclarator(
- const DeclaratorDecl *D, GVALinkage Linkage, bool IsConstantVariable) {
+llvm::GlobalValue::LinkageTypes
+CodeGenModule::getLLVMLinkageForDeclarator(const DeclaratorDecl *D,
+ GVALinkage Linkage) {
if (Linkage == GVA_Internal)
return llvm::Function::InternalLinkage;
@@ -5485,10 +5485,10 @@ llvm::GlobalValue::LinkageTypes CodeGenModule::getLLVMLinkageForDeclarator(
return llvm::GlobalVariable::ExternalLinkage;
}
-llvm::GlobalValue::LinkageTypes CodeGenModule::getLLVMLinkageVarDefinition(
- const VarDecl *VD, bool IsConstant) {
+llvm::GlobalValue::LinkageTypes
+CodeGenModule::getLLVMLinkageVarDefinition(const VarDecl *VD) {
GVALinkage Linkage = getContext().GetGVALinkageForVariable(VD);
- return getLLVMLinkageForDeclarator(VD, Linkage, IsConstant);
+ return getLLVMLinkageForDeclarator(VD, Linkage);
}
/// Replace the uses of a function that was declared with a non-proto type.
@@ -5700,7 +5700,7 @@ void CodeGenModule::EmitAliasDefinition(GlobalDecl GD) {
Aliasee = GetOrCreateLLVMGlobal(AA->getAliasee(), DeclTy, LangAS::Default,
/*D=*/nullptr);
if (const auto *VD = dyn_cast<VarDecl>(GD.getDecl()))
- LT = getLLVMLinkageVarDefinition(VD, D->getType().isConstQualified());
+ LT = getLLVMLinkageVarDefinition(VD);
else
LT = getFunctionLinkage(GD);
}
@@ -6334,8 +6334,7 @@ ConstantAddress CodeGenModule::GetAddrOfGlobalTemporary(
}
// Create a global variable for this lifetime-extended temporary.
- llvm::GlobalValue::LinkageTypes Linkage =
- getLLVMLinkageVarDefinition(VD, Constant);
+ llvm::GlobalValue::LinkageTypes Linkage = getLLVMLinkageVarDefinition(VD);
if (Linkage == llvm::GlobalVariable::ExternalLinkage) {
const VarDecl *InitVD;
if (VD->isStaticDataMember() && VD->getAnyInitializer(InitVD) &&
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 601530a9dd8514..ef90eaca59a4e0 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -1314,12 +1314,11 @@ class CodeGenModule : public CodeGenTypeCache {
/// Returns LLVM linkage for a declarator.
llvm::GlobalValue::LinkageTypes
- getLLVMLinkageForDeclarator(const DeclaratorDecl *D, GVALinkage Linkage,
- bool IsConstantVariable);
+ getLLVMLinkageForDeclarator(const DeclaratorDecl *D, GVALinkage Linkage);
/// Returns LLVM linkage for a declarator.
llvm::GlobalValue::LinkageTypes
- getLLVMLinkageVarDefinition(const VarDecl *VD, bool IsConstant);
+ getLLVMLinkageVarDefinition(const VarDecl *VD);
/// Emit all the global annotations.
void EmitGlobalAnnotations();
diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp b/clang/lib/CodeGen/ItaniumCXXABI.cpp
index 36730875ef0aa4..65347f076f9c8b 100644
--- a/clang/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp
@@ -2832,7 +2832,7 @@ static bool isThreadWrapperReplaceable(const VarDecl *VD,
static llvm::GlobalValue::LinkageTypes
getThreadLocalWrapperLinkage(const VarDecl *VD, CodeGen::CodeGenModule &CGM) {
llvm::GlobalValue::LinkageTypes VarLinkage =
- CGM.getLLVMLinkageVarDefinition(VD, /*IsConstant=*/false);
+ CGM.getLLVMLinkageVarDefinition(VD);
// For internal linkage variables, we don't need an external or weak wrapper.
if (llvm::GlobalValue::isLocalLinkage(VarLinkage))
diff --git a/clang/lib/CodeGen/MicrosoftCXXABI.cpp b/clang/lib/CodeGen/MicrosoftCXXABI.cpp
index a692abaf3b75ff..a14efbdba76b0b 100644
--- a/clang/lib/CodeGen/MicrosoftCXXABI.cpp
+++ b/clang/lib/CodeGen/MicrosoftCXXABI.cpp
@@ -1379,8 +1379,7 @@ llvm::GlobalValue::LinkageTypes MicrosoftCXXABI::getCXXDestructorLinkage(
case Dtor_Base:
// The base destructor most closely tracks the user-declared constructor, so
// we delegate back to the normal declarator case.
- return CGM.getLLVMLinkageForDeclarator(Dtor, Linkage,
- /*IsConstantVariable=*/false);
+ return CGM.getLLVMLinkageForDeclarator(Dtor, Linkage);
case Dtor_Complete:
// The complete destructor is like an inline function, but it may be
// imported and therefore must be exported as well. This requires changing
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