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Fix typeo and refactor bb productions to make it possible for us to reuse any

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forward reference blocks if they have been created (instead of creating a new
block, replaceAllUsesOfWith, then nuking the placeholder).   This is not yet
implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14791 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-07-13 08:39:15 +00:00
parent bc721ed100
commit 22ae232d98
1 changed files with 12 additions and 11 deletions
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23
lib/AsmParser/llvmAsmParser.y
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@ -71,7 +71,7 @@ static struct PerModuleInfo {
/// PlaceHolderInfo - When temporary placeholder objects are created, remember
/// how they were referenced and one which line of the input they came from so
/// that we can resolve them alter and print error messages as appropriate.
/// that we can resolve them later and print error messages as appropriate.
std::map<Value*, std::pair<ValID, int> > PlaceHolderInfo;
// GlobalRefs - This maintains a mapping between <Type, ValID>'s and forward
@ -1639,16 +1639,6 @@ BasicBlock : InstructionList OptAssign BBTerminatorInst {
$1->getInstList().push_back($3);
InsertValue($1);
$$ = $1;
}
| LABELSTR InstructionList OptAssign BBTerminatorInst {
setValueName($4, $3);
InsertValue($4);
$2->getInstList().push_back($4);
setValueName($2, $1);
InsertValue($2);
$$ = $2;
};
InstructionList : InstructionList Inst {
@ -1656,7 +1646,18 @@ InstructionList : InstructionList Inst {
$$ = $1;
}
| /* empty */ {
// FIXME: Should check to see if there is a forward ref'd basic block that
// we can use and reuse it as appropriate. It doesn't make sense just to
// make forward ref'd blocks then discard them.
$$ = CurBB = new BasicBlock("", CurFun.CurrentFunction);
}
| LABELSTR {
// FIXME: Should check to see if there is a forward ref'd basic block that
// we can use and reuse it as appropriate. It doesn't make sense just to
// make forward ref'd blocks then discard them.
$$ = CurBB = new BasicBlock("", CurFun.CurrentFunction);
setValueName($$, $1);
InsertValue($$);
};
BBTerminatorInst : RET ResolvedVal { // Return with a result...