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Print visibility info for external variables.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128887 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2011-04-05 15:51:32 +00:00
parent a2948ef5ac
commit 8439747236
2 changed files with 17 additions and 12 deletions
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22
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
View File

@ -253,22 +253,24 @@ void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) const {
/// EmitGlobalVariable - Emit the specified global variable to the .s file.
void AsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
if (!GV->hasInitializer()) // External globals require no code.
return;
if (GV->hasInitializer()) {
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(GV))
return;
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(GV))
return;
if (isVerbose()) {
WriteAsOperand(OutStreamer.GetCommentOS(), GV,
/*PrintType=*/false, GV->getParent());
OutStreamer.GetCommentOS() << '\n';
if (isVerbose()) {
WriteAsOperand(OutStreamer.GetCommentOS(), GV,
/*PrintType=*/false, GV->getParent());
OutStreamer.GetCommentOS() << '\n';
}
}
MCSymbol *GVSym = Mang->getSymbol(GV);
EmitVisibility(GVSym, GV->getVisibility());
if (!GV->hasInitializer()) // External globals require no extra code.
return;
if (MAI->hasDotTypeDotSizeDirective())
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject);

7
test/CodeGen/X86/visibility.ll
View File

@ -1,11 +1,14 @@
; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
@zed = external hidden constant i32
define hidden void @foo() nounwind {
entry:
call void @bar()
call void @bar(i32* @zed)
ret void
}
declare hidden void @bar()
declare hidden void @bar(i32*)
;CHECK: .hidden zed
;CHECK: .hidden bar