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No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56378 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-09-20 00:13:45 +00:00
parent 0333920a05
commit 91a23c8233
2 changed files with 22 additions and 3 deletions
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13
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
View File

@ -392,8 +392,13 @@ void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
if (GV->isDeclaration() || GV->isWeakForLinker()) {
// Dynamically-resolved functions need a stub for the function.
if (isCallOp && isa<Function>(GV)) {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
// Function stubs are no longer needed for Mac OS X 10.5 and up.
if (Subtarget->isTargetDarwin() && Subtarget->getDarwinVers() >= 9) {
O << Name;
} else {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
}
} else {
GVStubs.insert(Name);
printSuffixedName(Name, "$non_lazy_ptr");
@ -475,7 +480,9 @@ void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
bool needCloseParen = false;
std::string Name(TAI->getGlobalPrefix());
Name += MO.getSymbolName();
if (isCallOp && shouldPrintStub(TM, Subtarget)) {
// Print function stub suffix unless it's Mac OS X 10.5 and up.
if (isCallOp && shouldPrintStub(TM, Subtarget) &&
!(Subtarget->isTargetDarwin() && Subtarget->getDarwinVers() >= 9)) {
FnStubs.insert(Name);
printSuffixedName(Name, "$stub");
return;

12
test/CodeGen/X86/darwin-stub.ll Normal file
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@ -0,0 +1,12 @@
; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | grep stub
; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin9 | not grep stub
@"\01LC" = internal constant [13 x i8] c"Hello World!\00" ; <[13 x i8]*> [#uses=1]
define i32 @main() nounwind {
entry:
%0 = tail call i32 @puts(i8* getelementptr ([13 x i8]* @"\01LC", i32 0, i32 0)) nounwind ; <i32> [#uses=0]
ret i32 0
}
declare i32 @puts(i8*)