bool IsAvailExt = false;
if (MO.isGlobal()) {
- const GlobalValue *GV = MO.getGlobal();
- MOSymbol = getSymbol(GV);
- IsExternal = GV->isDeclaration();
- IsCommon = GV->hasCommonLinkage();
- IsFunction = GV->getType()->getElementType()->isFunctionTy();
- IsAvailExt = GV->hasAvailableExternallyLinkage();
+ const GlobalValue *GValue = MO.getGlobal();
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ? GAlias->getAliasee() : GValue;
+ MOSymbol = getSymbol(RealGValue);
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
+ IsExternal = GVar && !GVar->hasInitializer();
+ IsCommon = GVar && RealGValue->hasCommonLinkage();
+ IsFunction = !GVar;
+ IsAvailExt = GVar && RealGValue->hasAvailableExternallyLinkage();
} else if (MO.isCPI())
MOSymbol = GetCPISymbol(MO.getIndex());
else if (MO.isJTI())
}
else if (MO.isGlobal()) {
const GlobalValue *GValue = MO.getGlobal();
- MOSymbol = getSymbol(GValue);
- if (GValue->isDeclaration() || GValue->hasCommonLinkage() ||
- GValue->hasAvailableExternallyLinkage() ||
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ? GAlias->getAliasee() : GValue;
+ MOSymbol = getSymbol(RealGValue);
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
+
+ if (!GVar || !GVar->hasInitializer() || RealGValue->hasCommonLinkage() ||
+ RealGValue->hasAvailableExternallyLinkage() ||
TM.getCodeModel() == CodeModel::Large)
MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
}
bool IsFunction = false;
if (MO.isGlobal()) {
- const GlobalValue *GV = MO.getGlobal();
- MOSymbol = getSymbol(GV);
- IsExternal = GV->isDeclaration();
- IsFunction = GV->getType()->getElementType()->isFunctionTy();
+ const GlobalValue *GValue = MO.getGlobal();
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ? GAlias->getAliasee() : GValue;
+ MOSymbol = getSymbol(RealGValue);
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
+ IsExternal = GVar && !GVar->hasInitializer();
+ IsFunction = !GVar;
} else if (MO.isCPI())
MOSymbol = GetCPISymbol(MO.getIndex());
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(GA)) {
const GlobalValue *GValue = G->getGlobal();
- if (GValue->isDeclaration() || GValue->hasCommonLinkage() ||
- GValue->hasAvailableExternallyLinkage())
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ? GAlias->getAliasee() : GValue;
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
+ assert((GVar || isa<Function>(RealGValue)) &&
+ "Unexpected global value subclass!");
+
+ // An external variable is one without an initializer. For these,
+ // for variables with common linkage, and for Functions, generate
+ // the LDtocL form.
+ if (!GVar || !GVar->hasInitializer() || RealGValue->hasCommonLinkage() ||
+ RealGValue->hasAvailableExternallyLinkage())
return CurDAG->getMachineNode(PPC::LDtocL, dl, MVT::i64, GA,
SDValue(Tmp, 0));
}
+++ /dev/null
-; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -code-model=medium| FileCheck --check-prefix=CHECK --check-prefix=MEDIUM %s
-; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -code-model=large | FileCheck --check-prefix=CHECK --check-prefix=LARGE %s
-
-@foo = global i32 42
-@fooa = alias i32* @foo
-
-@foo2 = global i64 42
-@foo2a = alias i64* @foo2
-
-; CHECK-LABEL: bar:
-define i32 @bar() {
-; MEDIUM: addis 3, 2, fooa@toc@ha
-; LARGE: addis 3, 2, .LC1@toc@ha
- %a = load i32* @fooa
- ret i32 %a
-}
-
-; CHECK-LABEL: bar2:
-define i64 @bar2() {
-; MEDIUM: addis 3, 2, foo2a@toc@ha
-; MEDIUM: addi 3, 3, foo2a@toc@l
-; LARGE: addis 3, 2, .LC3@toc@ha
- %a = load i64* @foo2a
- ret i64 %a
-}
-
-; LARGE: .LC1:
-; LARGE-NEXT: .tc fooa[TC],fooa
-
-; LARGE: .LC3:
-; LARGE-NEXT: .tc foo2a[TC],foo2a