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add proper asmwriter and asmparser support for anonymous functions. 

llvm-svn: 64953
This commit is contained in:
Chris Lattner 2009-02-18 21:48:13 +00:00
parent 8dbf1dbdb8
commit 778c62ccb5
3 changed files with 42 additions and 12 deletions
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18
llvm/lib/AsmParser/LLParser.cpp
View File

@ -2094,11 +2094,21 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
isa<OpaqueType>(RetType))
return Error(RetTypeLoc, "invalid function return type");
if (Lex.getKind() != lltok::GlobalVar)
return TokError("expected function name");
LocTy NameLoc = Lex.getLoc();
std::string FunctionName = Lex.getStrVal();
std::string FunctionName;
if (Lex.getKind() == lltok::GlobalVar) {
FunctionName = Lex.getStrVal();
} else if (Lex.getKind() == lltok::GlobalID) { // @42 is ok.
unsigned NameID = Lex.getUIntVal();
if (NameID != NumberedVals.size())
return TokError("function expected to be numbered '%" +
utostr(NumberedVals.size()) + "'");
} else {
return TokError("expected function name");
}
Lex.Lex();
if (Lex.getKind() != lltok::lparen)

10
llvm/lib/VMCore/AsmWriter.cpp
View File

@ -1240,10 +1240,7 @@ void AssemblyWriter::printAlias(const GlobalAlias *GA) {
printType(F->getFunctionType());
Out << "* ";
if (F->hasName())
PrintLLVMName(Out, F);
else
Out << "@\"\"";
WriteAsOperandInternal(Out, F, TypeNames, &Machine);
} else if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(Aliasee)) {
printType(GA->getType());
Out << " ";
@ -1310,10 +1307,7 @@ void AssemblyWriter::printFunction(const Function *F) {
Out << Attribute::getAsString(Attrs.getRetAttributes()) << ' ';
printType(F->getReturnType());
Out << ' ';
if (F->hasName())
PrintLLVMName(Out, F);
else
Out << "@\"\"";
WriteAsOperandInternal(Out, F, TypeNames, &Machine);
Out << '(';
Machine.incorporateFunction(F);

26
llvm/test/Assembler/anon-functions.ll Normal file
View File

@ -0,0 +1,26 @@
; RUN: llvm-as < %s |llvm-dis | llvm-as | llvm-dis
; PR3611
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
@f = alias void ()* @0 ; <void ()*> [#uses=0]
@g = alias void ()* @1 ; <void ()*> [#uses=0]
@h = external global void ()* ; <void ()*> [#uses=0]
define internal void @0() nounwind {
entry:
store void()* @0, void()** @h
br label %return
return: ; preds = %entry
ret void
}
define internal void @1() nounwind {
entry:
br label %return
return: ; preds = %entry
ret void
}