diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCSubtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCSubtarget.cpp | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp index b87e5a84c03..577d2d73895 100644 --- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp @@ -15,6 +15,7 @@ #include "PPC.h" #include "PPCRegisterInfo.h" #include "PPCTargetMachine.h" +#include "llvm/CodeGen/Analysis.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineScheduler.h" #include "llvm/IR/Attributes.h" @@ -146,18 +147,21 @@ void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) { IsLittleEndian = (TargetTriple.getArch() == Triple::ppc64le); } -/// hasLazyResolverStub - Return true if accesses to the specified global have -/// to go through a dyld lazy resolution stub. This means that an extra load -/// is required to get the address of the global. +/// Return true if accesses to the specified global have to go through a dyld +/// lazy resolution stub. This means that an extra load is required to get the +/// address of the global. bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV) const { - // We never have stubs if HasLazyResolverStubs=false or if in static mode. - if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static) + if (!HasLazyResolverStubs) return false; - bool isDecl = GV->isDeclaration(); - if (GV->hasHiddenVisibility() && !isDecl && !GV->hasCommonLinkage()) - return false; - return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || - GV->hasCommonLinkage() || isDecl; + if (!shouldAssumeDSOLocal(TM.getRelocationModel(), TM.getTargetTriple(), + *GV->getParent(), GV)) + return true; + // 32 bit macho has no relocation for a-b if a is undefined, even if b is in + // the section that is being relocated. This means we have to use o load even + // for GVs that are known to be local to the dso. + if (GV->isDeclarationForLinker() || GV->hasCommonLinkage()) + return true; + return false; } // Embedded cores need aggressive scheduling (and some others also benefit). |
