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Second batch of passes using LLVMContext.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74753 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-07-03 00:54:20 +00:00
parent 2889ccea62
commit 1ff50b380e
5 changed files with 46 additions and 37 deletions
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25
lib/Transforms/Scalar/LoopIndexSplit.cpp
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@ -54,6 +54,7 @@
#include "llvm/Transforms/Scalar.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/LLVMContext.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/Dominators.h"
@ -292,14 +293,16 @@ static bool isUsedOutsideLoop(Value *V, Loop *L) {
}
// Return V+1
static Value *getPlusOne(Value *V, bool Sign, Instruction *InsertPt) {
Constant *One = ConstantInt::get(V->getType(), 1, Sign);
static Value *getPlusOne(Value *V, bool Sign, Instruction *InsertPt,
LLVMContext* Context) {
Constant *One = Context->getConstantInt(V->getType(), 1, Sign);
return BinaryOperator::CreateAdd(V, One, "lsp", InsertPt);
}
// Return V-1
static Value *getMinusOne(Value *V, bool Sign, Instruction *InsertPt) {
Constant *One = ConstantInt::get(V->getType(), 1, Sign);
static Value *getMinusOne(Value *V, bool Sign, Instruction *InsertPt,
LLVMContext* Context) {
Constant *One = Context->getConstantInt(V->getType(), 1, Sign);
return BinaryOperator::CreateSub(V, One, "lsp", InsertPt);
}
@ -494,16 +497,16 @@ bool LoopIndexSplit::restrictLoopBound(ICmpInst &Op) {
if (Value *V = IVisLT(Op)) {
// Restrict upper bound.
if (IVisLE(*ExitCondition))
V = getMinusOne(V, Sign, PHTerm);
V = getMinusOne(V, Sign, PHTerm, Context);
NUB = getMin(V, IVExitValue, Sign, PHTerm);
} else if (Value *V = IVisLE(Op)) {
// Restrict upper bound.
if (IVisLT(*ExitCondition))
V = getPlusOne(V, Sign, PHTerm);
V = getPlusOne(V, Sign, PHTerm, Context);
NUB = getMin(V, IVExitValue, Sign, PHTerm);
} else if (Value *V = IVisGT(Op)) {
// Restrict lower bound.
V = getPlusOne(V, Sign, PHTerm);
V = getPlusOne(V, Sign, PHTerm, Context);
NLB = getMax(V, IVStartValue, Sign, PHTerm);
} else if (Value *V = IVisGE(Op))
// Restrict lower bound.
@ -964,18 +967,18 @@ bool LoopIndexSplit::splitLoop() {
/* Do nothing */
}
else if (IVisLE(*SplitCondition)) {
AEV = getPlusOne(SplitValue, Sign, PHTerm);
BSV = getPlusOne(SplitValue, Sign, PHTerm);
AEV = getPlusOne(SplitValue, Sign, PHTerm, Context);
BSV = getPlusOne(SplitValue, Sign, PHTerm, Context);
} else {
assert (0 && "Unexpected split condition!");
}
}
else if (IVisLE(*ExitCondition)) {
if (IVisLT(*SplitCondition)) {
AEV = getMinusOne(SplitValue, Sign, PHTerm);
AEV = getMinusOne(SplitValue, Sign, PHTerm, Context);
}
else if (IVisLE(*SplitCondition)) {
BSV = getPlusOne(SplitValue, Sign, PHTerm);
BSV = getPlusOne(SplitValue, Sign, PHTerm, Context);
} else {
assert (0 && "Unexpected split condition!");
}