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GV with ghost linkage (module being lazily streamed in in JIT lazy compilation mode) do not require extra load from stub. This fixes ExecutionEngine/2005-12-02-TailCallBug.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76121 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -44,6 +44,10 @@ ClassifyGlobalReference(const GlobalValue *GV, const TargetMachine &TM) const {
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if (GV->hasDLLImportLinkage())
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return X86II::MO_DLLIMPORT;
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// GV with ghost linkage (in JIT lazy compilation mode) do not require an
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// extra load from stub.
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bool isDecl = GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode();
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// X86-64 in PIC mode.
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if (isPICStyleRIPRel()) {
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// Large model never uses stubs.
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@ -55,7 +59,7 @@ ClassifyGlobalReference(const GlobalValue *GV, const TargetMachine &TM) const {
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// target is x86-64 or the symbol is definitely defined in the current
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// translation unit.
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if (GV->hasDefaultVisibility() &&
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(GV->isDeclaration() || GV->isWeakForLinker()))
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(isDecl || GV->isWeakForLinker()))
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return X86II::MO_GOTPCREL;
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} else {
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assert(isTargetELF() && "Unknown rip-relative target");
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@ -81,7 +85,7 @@ ClassifyGlobalReference(const GlobalValue *GV, const TargetMachine &TM) const {
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// If this is a strong reference to a definition, it is definitely not
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// through a stub.
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if (!GV->isDeclaration() && !GV->isWeakForLinker())
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if (!isDecl && !GV->isWeakForLinker())
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return X86II::MO_PIC_BASE_OFFSET;
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// Unless we have a symbol with hidden visibility, we have to go through a
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@ -91,7 +95,7 @@ ClassifyGlobalReference(const GlobalValue *GV, const TargetMachine &TM) const {
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// If symbol visibility is hidden, we have a stub for common symbol
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// references and external declarations.
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if (GV->isDeclaration() || GV->hasCommonLinkage()) {
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if (isDecl || GV->hasCommonLinkage()) {
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// Hidden $non_lazy_ptr reference.
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return X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE;
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}
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@ -105,7 +109,7 @@ ClassifyGlobalReference(const GlobalValue *GV, const TargetMachine &TM) const {
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// If this is a strong reference to a definition, it is definitely not
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// through a stub.
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if (!GV->isDeclaration() && !GV->isWeakForLinker())
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if (!isDecl && !GV->isWeakForLinker())
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return X86II::MO_NO_FLAG;
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// Unless we have a symbol with hidden visibility, we have to go through a
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@ -115,7 +119,7 @@ ClassifyGlobalReference(const GlobalValue *GV, const TargetMachine &TM) const {
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// If symbol visibility is hidden, we have a stub for common symbol
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// references and external declarations.
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if (GV->isDeclaration() || GV->hasCommonLinkage()) {
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if (isDecl || GV->hasCommonLinkage()) {
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// Hidden $non_lazy_ptr reference.
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return X86II::MO_DARWIN_HIDDEN_NONLAZY;
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}
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