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fix PR5295 where the .ll parser didn't reject a function after a global

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or global after a function with conflicting names.  Update some testcases
that were accidentally depending on this behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-10-25 23:22:50 +00:00
parent 22bbd9b9b8
commit 1d871c5e54
3 changed files with 10 additions and 7 deletions
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13
lib/AsmParser/LLParser.cpp
View File

@ -603,8 +603,7 @@ bool LLParser::ParseAlias(const std::string &Name, LocTy NameLoc,
// See if this value already exists in the symbol table. If so, it is either
// a redefinition or a definition of a forward reference.
if (GlobalValue *Val =
cast_or_null<GlobalValue>(M->getValueSymbolTable().lookup(Name))) {
if (GlobalValue *Val = M->getNamedValue(Name)) {
// See if this was a redefinition. If so, there is no entry in
// ForwardRefVals.
std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator
@ -671,9 +670,11 @@ bool LLParser::ParseGlobal(const std::string &Name, LocTy NameLoc,
// See if the global was forward referenced, if so, use the global.
if (!Name.empty()) {
if ((GV = M->getGlobalVariable(Name, true)) &&
!ForwardRefVals.erase(Name))
return Error(NameLoc, "redefinition of global '@" + Name + "'");
if (GlobalValue *GVal = M->getNamedValue(Name)) {
if (!ForwardRefVals.erase(Name) || !isa<GlobalValue>(GVal))
return Error(NameLoc, "redefinition of global '@" + Name + "'");
GV = cast<GlobalVariable>(GVal);
}
} else {
std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator
I = ForwardRefValIDs.find(NumberedVals.size());
@ -2563,6 +2564,8 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
AI != AE; ++AI)
AI->setName("");
}
} else if (M->getNamedValue(FunctionName)) {
return Error(NameLoc, "redefinition of function '@" + FunctionName + "'");
}
} else {

2
test/CodeGen/CPP/llvm2cpp.ll
View File

@ -273,7 +273,7 @@ define i32 @foozball(i32) {
@A = global i32* @B ; <i32**> [#uses=0]
@B = global i32 7 ; <i32*> [#uses=1]
define void @X() {
define void @test12312() {
ret void
}
; ModuleID = 'global_section.ll'

2
test/CodeGen/X86/x86-64-pic-10.ll
View File

@ -3,7 +3,7 @@
@g = alias weak i32 ()* @f
define void @g() {
define void @h() {
entry:
%tmp31 = call i32 @g()
ret void