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Add a type field to expressions in preparation for performing GVNPRE on casts.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37788 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-06-29 00:40:05 +00:00
parent 97f5ccf682
commit 40dc00eb82
1 changed files with 12 additions and 0 deletions
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12
lib/Transforms/Scalar/GVNPRE.cpp
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@ -23,6 +23,7 @@
#include "llvm/Transforms/Scalar.h"
#include "llvm/Instructions.h"
#include "llvm/Function.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
@ -62,6 +63,7 @@ namespace {
SHUFFLE, SELECT };
ExpressionOpcode opcode;
const Type* type;
uint32_t firstVN;
uint32_t secondVN;
uint32_t thirdVN;
@ -71,6 +73,10 @@ namespace {
return true;
else if (opcode > other.opcode)
return false;
else if (type < other.type)
return true;
else if (type > other.type)
return false;
else if (firstVN < other.firstVN)
return true;
else if (firstVN > other.firstVN)
@ -231,6 +237,7 @@ ValueTable::Expression ValueTable::create_expression(BinaryOperator* BO) {
e.firstVN = lookup_or_add(BO->getOperand(0));
e.secondVN = lookup_or_add(BO->getOperand(1));
e.thirdVN = 0;
e.type = BO->getType();
e.opcode = getOpcode(BO);
return e;
@ -242,6 +249,7 @@ ValueTable::Expression ValueTable::create_expression(CmpInst* C) {
e.firstVN = lookup_or_add(C->getOperand(0));
e.secondVN = lookup_or_add(C->getOperand(1));
e.thirdVN = 0;
e.type = C->getType();
e.opcode = getOpcode(C);
return e;
@ -253,6 +261,7 @@ ValueTable::Expression ValueTable::create_expression(ShuffleVectorInst* S) {
e.firstVN = lookup_or_add(S->getOperand(0));
e.secondVN = lookup_or_add(S->getOperand(1));
e.thirdVN = lookup_or_add(S->getOperand(2));
e.type = S->getType();
e.opcode = Expression::SHUFFLE;
return e;
@ -264,6 +273,7 @@ ValueTable::Expression ValueTable::create_expression(ExtractElementInst* E) {
e.firstVN = lookup_or_add(E->getOperand(0));
e.secondVN = lookup_or_add(E->getOperand(1));
e.thirdVN = 0;
e.type = E->getType();
e.opcode = Expression::EXTRACT;
return e;
@ -275,6 +285,7 @@ ValueTable::Expression ValueTable::create_expression(InsertElementInst* I) {
e.firstVN = lookup_or_add(I->getOperand(0));
e.secondVN = lookup_or_add(I->getOperand(1));
e.thirdVN = lookup_or_add(I->getOperand(2));
e.type = I->getType();
e.opcode = Expression::INSERT;
return e;
@ -286,6 +297,7 @@ ValueTable::Expression ValueTable::create_expression(SelectInst* I) {
e.firstVN = lookup_or_add(I->getCondition());
e.secondVN = lookup_or_add(I->getTrueValue());
e.thirdVN = lookup_or_add(I->getFalseValue());
e.type = I->getType();
e.opcode = Expression::SELECT;
return e;