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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47599 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-02-26 10:53:30 +00:00
parent f059deb8dd
commit 587c01d674
2 changed files with 24 additions and 24 deletions
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44
lib/Transforms/Scalar/InstructionCombining.cpp
View File

@ -2163,10 +2163,10 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) {
match(RHS, m_Mul(m_Value(Y), m_Value(Z)))) {
if (W != Y) {
if (W == Z) {
std::swap(Y, Z);
std::swap(Y, Z);
} else if (Y == X) {
std::swap(W, X);
} else if (X == Z) {
std::swap(W, X);
} else if (X == Z) {
std::swap(Y, Z);
std::swap(W, X);
}
@ -9484,7 +9484,7 @@ Instruction *InstCombiner::visitFreeInst(FreeInst &FI) {
/// InstCombineLoadCast - Fold 'load (cast P)' -> cast (load P)' when possible.
static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI,
const TargetData *TD) {
const TargetData *TD) {
User *CI = cast<User>(LI.getOperand(0));
Value *CastOp = CI->getOperand(0);
@ -9498,24 +9498,24 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI,
unsigned numBits = Ty->getPrimitiveSizeInBits();
// Replace LI with immediate integer store.
if ((numBits >> 3) == len + 1) {
APInt StrVal(numBits, 0);
APInt SingleChar(numBits, 0);
if (TD->isLittleEndian()) {
for (signed i = len-1; i >= 0; i--) {
SingleChar = (uint64_t) Str[i];
StrVal = (StrVal << 8) | SingleChar;
}
} else {
for (unsigned i = 0; i < len; i++) {
SingleChar = (uint64_t) Str[i];
StrVal = (StrVal << 8) | SingleChar;
}
// Append NULL at the end.
SingleChar = 0;
StrVal = (StrVal << 8) | SingleChar;
}
Value *NL = ConstantInt::get(StrVal);
return IC.ReplaceInstUsesWith(LI, NL);
APInt StrVal(numBits, 0);
APInt SingleChar(numBits, 0);
if (TD->isLittleEndian()) {
for (signed i = len-1; i >= 0; i--) {
SingleChar = (uint64_t) Str[i];
StrVal = (StrVal << 8) | SingleChar;
}
} else {
for (unsigned i = 0; i < len; i++) {
SingleChar = (uint64_t) Str[i];
StrVal = (StrVal << 8) | SingleChar;
}
// Append NULL at the end.
SingleChar = 0;
StrVal = (StrVal << 8) | SingleChar;
}
Value *NL = ConstantInt::get(StrVal);
return IC.ReplaceInstUsesWith(LI, NL);
}
}
}

4
lib/Transforms/Scalar/PredicateSimplifier.cpp
View File

@ -717,7 +717,7 @@ namespace {
if (edge.LV == J->LV)
return; // This update adds nothing new.
}
}
if (I != B) {
// We also have to tighten any edge beneath our update.
@ -729,7 +729,7 @@ namespace {
}
if (K == B) break;
}
}
}
// Insert new edge at Subtree if it isn't already there.
if (I == E || I->To != n || Subtree != I->Subtree)