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authorOwen Anderson <resistor@mac.com>2009-07-03 00:54:20 +0000
committerOwen Anderson <resistor@mac.com>2009-07-03 00:54:20 +0000
commit80baed63b43bc675bef889fcebeecf9b8d790611 (patch)
treec7968fc08f314bc3f4ca3f9d538d7a8b8498d0ac /llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
parentfb36b02591f6d2aec36ceb93d008b71a95f7c4a5 (diff)
downloadbcm5719-llvm-80baed63b43bc675bef889fcebeecf9b8d790611.tar.gz
bcm5719-llvm-80baed63b43bc675bef889fcebeecf9b8d790611.zip
Second batch of passes using LLVMContext.
llvm-svn: 74753
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp')
-rw-r--r--llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp25
1 files changed, 14 insertions, 11 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
index ff0ec6d2ac6..38e3a8b7af7 100644
--- a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -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!");
}
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