OSchip
/
llvm-project
mirror of https://github.com/THU-DSP-LAB/llvm-project.git
13
0
Fork 6
Code Issues Packages Projects Releases Wiki Activity

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

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

llvm-svn: 14791
This commit is contained in:
Chris Lattner 2004-07-13 08:39:15 +00:00
parent d9c9c496e6
commit e84a2ba99f
1 changed files with 12 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
llvm/lib/AsmParser/llvmAsmParser.y
View File

@ -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...