Fix bug: test/Regression/Assembler/2002-08-15-UnresolvedGlobalReference.ll
llvm-svn: 3350
diff --git a/llvm/lib/AsmParser/llvmAsmParser.y b/llvm/lib/AsmParser/llvmAsmParser.y
index 923e48d..0175d65 100644
--- a/llvm/lib/AsmParser/llvmAsmParser.y
+++ b/llvm/lib/AsmParser/llvmAsmParser.y
@@ -919,8 +919,21 @@
if (Ty == 0)
ThrowException("Global const reference must be a pointer type!");
+ // ConstExprs can exist in the body of a function, thus creating
+ // ConstantPointerRefs whenever they refer to a variable. Because we are in
+ // the context of a function, getValNonImprovising will search the functions
+ // symbol table instead of the module symbol table for the global symbol,
+ // which throws things all off. To get around this, we just tell
+ // getValNonImprovising that we are at global scope here.
+ //
+ Function *SavedCurFn = CurMeth.CurrentFunction;
+ CurMeth.CurrentFunction = 0;
+
Value *V = getValNonImprovising(Ty, $2);
+ CurMeth.CurrentFunction = SavedCurFn;
+
+
// If this is an initializer for a constant pointer, which is referencing a
// (currently) undefined variable, create a stub now that shall be replaced
// in the future with the right type of variable.
@@ -960,7 +973,6 @@
};
-// FIXME: ConstExpr::get never return null! Do checking here in the parser.
ConstExpr: Types CAST ConstVal {
$$ = ConstantExpr::getCast($3, $1->get());
delete $1;