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Fix assert assembling zero-argument constant GEP.

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There's still a strict-aliasing violation here, but I don't feel like 
dealing with that right now...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77005 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2009-07-24 21:56:17 +00:00
parent 0b6afa8c71
commit 4e9bac3769
2 changed files with 8 additions and 2 deletions
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5
lib/AsmParser/LLParser.cpp
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@ -2017,10 +2017,11 @@ bool LLParser::ParseValID(ValID &ID) {
return Error(ID.Loc, "getelementptr requires pointer operand");
if (!GetElementPtrInst::getIndexedType(Elts[0]->getType(),
(Value**)&Elts[1], Elts.size()-1))
(Value**)(Elts.data() + 1),
Elts.size() - 1))
return Error(ID.Loc, "invalid indices for getelementptr");
ID.ConstantVal = Context.getConstantExprGetElementPtr(Elts[0],
&Elts[1], Elts.size()-1);
Elts.data() + 1, Elts.size() - 1);
} else if (Opc == Instruction::Select) {
if (Elts.size() != 3)
return Error(ID.Loc, "expected three operands to select");

5
test/Assembler/2009-07-24-ZeroArgGEP.ll Normal file
View File

@ -0,0 +1,5 @@
; RUN: llvm-as %s -o /dev/null -f
@foo = global i32 0
@bar = constant i32* getelementptr(i32* @foo)