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Visibility hidden GVs do not require extra load of symbol address from the GOT or non-lazy-ptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60519 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-12-04 01:56:50 +00:00
parent 6a9041e5ca
commit eb83dfde66
6 changed files with 22 additions and 4 deletions
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5
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
View File

@@ -387,8 +387,9 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
// External or weakly linked global variables need non-lazily-resolved stubs
if (TM.getRelocationModel() != Reloc::Static) {
if (((GV->isDeclaration() || GV->hasWeakLinkage() ||
GV->hasLinkOnceLinkage() || GV->hasCommonLinkage()))) {
if (!GV->hasHiddenVisibility() &&
(GV->isDeclaration() || GV->hasWeakLinkage() ||
GV->hasLinkOnceLinkage() || GV->hasCommonLinkage())) {
GVStubs.insert(Name);
printSuffixedName(Name, "$non_lazy_ptr");
if (GV->hasExternalWeakLinkage())

4
lib/Target/PowerPC/PPCSubtarget.cpp
View File

@@ -141,7 +141,9 @@ bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV) const {
// We never hae stubs if HasLazyResolverStubs=false or if in static mode.
if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static)
return false;
// Extra load is not needed for symbols with hidden visibility.
if (GV->hasHiddenVisibility())
return false;
return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
GV->hasCommonLinkage() ||
(GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode());