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Don't crash if a .ll file contains a forward-reference that looks like a global
value but later turns out to be a function. Unfortunately, we can't fold tests into a single file because we only get one error out of llvm-as. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165680 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2795,6 +2795,9 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
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ForwardRefVals.find(FunctionName);
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ForwardRefVals.find(FunctionName);
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if (FRVI != ForwardRefVals.end()) {
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if (FRVI != ForwardRefVals.end()) {
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Fn = M->getFunction(FunctionName);
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Fn = M->getFunction(FunctionName);
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if (!Fn)
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return Error(FRVI->second.second, "invalid forward reference to "
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"function as global value!");
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if (Fn->getType() != PFT)
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if (Fn->getType() != PFT)
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return Error(FRVI->second.second, "invalid forward reference to "
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return Error(FRVI->second.second, "invalid forward reference to "
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"function '" + FunctionName + "' with wrong type!");
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"function '" + FunctionName + "' with wrong type!");
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4
test/Assembler/invalid-fwdref1.ll
Normal file
4
test/Assembler/invalid-fwdref1.ll
Normal file
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@ -0,0 +1,4 @@
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; RUN: not llvm-as %s -disable-output 2>&1 | grep "invalid forward reference to function as global value!"
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define i8* @test1() { ret i8* @test1a }
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define void @test1a() { }
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