6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-26 12:20:42 +00:00
Code Issues Projects Releases Wiki Activity

GVRequiresExtraLoad is now never used for calls, simplify it based on this.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75232 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-07-10 05:52:02 +00:00
parent 754b7650c2
commit ed0dca6a5d
6 changed files with 10 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/Target/X86/X86Subtarget.cpp
+3 -8
View File
@@ -39,8 +39,7 @@ AsmWriterFlavor("x86-asm-syntax", cl::init(X86Subtarget::Unset),
/// value of GV itself. This means that the GlobalAddress must be in the base
/// or index register of the address, not the GV offset field.
bool X86Subtarget::GVRequiresExtraLoad(const GlobalValue *GV,
const TargetMachine &TM,
bool isDirectCall) const {
const TargetMachine &TM) const {
// Windows targets only require an extra load for DLLImport linkage values,
// and they need these regardless of whether we're in PIC mode or not.
if (isTargetCygMing() || isTargetWindows())
@@ -51,8 +50,6 @@ bool X86Subtarget::GVRequiresExtraLoad(const GlobalValue *GV,
return false;
if (isTargetDarwin()) {
if (isDirectCall)
return false;
bool isDecl = GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode();
if (GV->hasHiddenVisibility() &&
(Is64Bit || (!isDecl && !GV->hasCommonLinkage())))
@@ -60,11 +57,9 @@ bool X86Subtarget::GVRequiresExtraLoad(const GlobalValue *GV,
// target is x86-64 or the symbol is definitely defined in the current
// translation unit.
return false;
return !isDirectCall && (isDecl || GV->isWeakForLinker());
return isDecl || GV->isWeakForLinker();
} else if (isTargetELF()) {
// Extra load is needed for all externally visible.
if (isDirectCall)
return false;
if (GV->hasLocalLinkage() || GV->hasHiddenVisibility())
return false;
return true;
@@ -77,7 +72,7 @@ bool X86Subtarget::GVRequiresExtraLoad(const GlobalValue *GV,
/// a register, but not an extra load.
bool X86Subtarget::GVRequiresRegister(const GlobalValue *GV,
const TargetMachine &TM) const {
if (GVRequiresExtraLoad(GV, TM, false))
if (GVRequiresExtraLoad(GV, TM))
return true;
// Code below here need only consider cases where GVRequiresExtraLoad