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- Fix asmparser and bytecode reader to not generate loads/stores with idxs

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Now an obnoxious warning is emitted to discourage usage.  Eventually
    support will be removed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-08-21 23:51:21 +00:00
parent c37fca1492
commit 0383cc4455
1 changed files with 36 additions and 3 deletions
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39
lib/AsmParser/llvmAsmParser.y
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@ -43,6 +43,14 @@ string CurFilename;
#define YYERROR_VERBOSE 1 #define YYERROR_VERBOSE 1
// HACK ALERT: This variable is used to implement the automatic conversion of
// load/store instructions with indexes into a load/store + getelementptr pair
// of instructions. When this compatiblity "Feature" is removed, this should be
// too.
//
static BasicBlock *CurBB;
// This contains info used when building the body of a function. It is // This contains info used when building the body of a function. It is
// destroyed when the function is completed. // destroyed when the function is completed.
// //
@ -1366,7 +1374,7 @@ InstructionList : InstructionList Inst {
$$ = $1; $$ = $1;
} }
| /* empty */ { | /* empty */ {
$$ = new BasicBlock(); $$ = CurBB = new BasicBlock();
}; };
BBTerminatorInst : RET ResolvedVal { // Return with a result... BBTerminatorInst : RET ResolvedVal { // Return with a result...
@ -1633,7 +1641,19 @@ MemoryInst : MALLOC Types {
if (LoadInst::getIndexedType(*$2, *$4) == 0) if (LoadInst::getIndexedType(*$2, *$4) == 0)
ThrowException("Invalid indices for load instruction!"); ThrowException("Invalid indices for load instruction!");
$$ = new LoadInst(getVal(*$2, $3), *$4); Value *Src = getVal(*$2, $3);
if (!$4->empty()) {
std::cerr << "WARNING: Use of index load instruction:"
<< " replacing with getelementptr/load pair.\n";
// Create a getelementptr hack instruction to do the right thing for
// compatibility.
//
Instruction *I = new GetElementPtrInst(Src, *$4);
CurBB->getInstList().push_back(I);
Src = I;
}
$$ = new LoadInst(Src);
delete $4; // Free the vector... delete $4; // Free the vector...
delete $2; delete $2;
} }
@ -1647,7 +1667,20 @@ MemoryInst : MALLOC Types {
if (ElTy != $2->getType()) if (ElTy != $2->getType())
ThrowException("Can't store '" + $2->getType()->getDescription() + ThrowException("Can't store '" + $2->getType()->getDescription() +
"' into space of type '" + ElTy->getDescription() + "'!"); "' into space of type '" + ElTy->getDescription() + "'!");
$$ = new StoreInst($2, getVal(*$4, $5), *$6);
Value *Ptr = getVal(*$4, $5);
if (!$6->empty()) {
std::cerr << "WARNING: Use of index store instruction:"
<< " replacing with getelementptr/store pair.\n";
// Create a getelementptr hack instruction to do the right thing for
// compatibility.
//
Instruction *I = new GetElementPtrInst(Ptr, *$6);
CurBB->getInstList().push_back(I);
Ptr = I;
}
$$ = new StoreInst($2, Ptr);
delete $4; delete $6; delete $4; delete $6;
} }
| GETELEMENTPTR Types ValueRef IndexList { | GETELEMENTPTR Types ValueRef IndexList {