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Implement checking for new instructions

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llvm-svn: 163
This commit is contained in:
Chris Lattner 2001-07-08 21:18:49 +00:00
parent 2433cbac88
commit 3b66715c67
1 changed files with 4 additions and 3 deletions
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7
lib/Transforms/Scalar/SCCP.cpp
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@ -25,7 +25,7 @@
#include "llvm/iOther.h"
#include "llvm/iTerminators.h"
#include "llvm/Tools/STLExtras.h"
//#include "llvm/Assembly/Writer.h"
#include "llvm/Assembly/Writer.h"
#include <algorithm>
#include <map>
#include <set>
@ -430,7 +430,7 @@ void SCCP::UpdateInstruction(Instruction *I) {
//===-------------------------------------------------------------------===//
// Handle Unary instructions...
//
if (I->isUnaryOp()) {
if (I->isUnaryOp() || I->getOpcode() == Instruction::Cast) {
Value *V = I->getOperand(0);
InstVal &VState = getValueState(V);
if (VState.isOverdefined()) { // Inherit overdefinedness of operand
@ -456,7 +456,8 @@ void SCCP::UpdateInstruction(Instruction *I) {
//===-----------------------------------------------------------------===//
// Handle Binary instructions...
//
if (I->isBinaryOp()) {
if (I->isBinaryOp() || I->getOpcode() == Instruction::Shl ||
I->getOpcode() == Instruction::Shr) {
Value *V1 = I->getOperand(0);
Value *V2 = I->getOperand(1);