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reject forward references to functions whose type don't match

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up with the definition (and fix a broken testcase).  PR6491.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101670 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-17 20:45:56 +00:00
parent b5f6af644e
commit 77e80deabc
2 changed files with 5 additions and 1 deletions
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4
lib/AsmParser/LLParser.cpp
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@ -2787,6 +2787,10 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
ForwardRefVals.find(FunctionName);
if (FRVI != ForwardRefVals.end()) {
Fn = M->getFunction(FunctionName);
if (Fn->getType() != PFT)
return Error(FRVI->second.second, "invalid forward reference to "
"function '" + FunctionName + "' with wrong type!");
ForwardRefVals.erase(FRVI);
} else if ((Fn = M->getFunction(FunctionName))) {
// If this function already exists in the symbol table, then it is

2
test/Bitcode/memcpy.ll
View File

@ -20,4 +20,4 @@ declare void @llvm.memset.i32(i8*, i8, i32, i32)
declare void @llvm.memmove.i32(i8*, i8*, i32, i32)
declare void @llvm.memmove.i64(i8*, i8*, i32, i32)
declare void @llvm.memmove.i64(i8*, i8*, i64, i32)