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Relax loop ExitCondition predicate restriction.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42122 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-09-19 00:28:47 +00:00
parent 968eee2aa7
commit babbe27007
1 changed files with 7 additions and 5 deletions
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12
lib/Transforms/Scalar/LoopIndexSplit.cpp
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@ -356,11 +356,7 @@ void LoopIndexSplit::findLoopConditionals() {
return; return;
// FIXME // FIXME
if (CI->getPredicate() == ICmpInst::ICMP_SGT if (CI->getPredicate() == ICmpInst::ICMP_EQ
|| CI->getPredicate() == ICmpInst::ICMP_UGT
|| CI->getPredicate() == ICmpInst::ICMP_SGE
|| CI->getPredicate() == ICmpInst::ICMP_UGE
|| CI->getPredicate() == ICmpInst::ICMP_EQ
|| CI->getPredicate() == ICmpInst::ICMP_NE) || CI->getPredicate() == ICmpInst::ICMP_NE)
return; return;
@ -1015,6 +1011,12 @@ void LoopIndexSplit::calculateLoopBounds(SplitInfo &SD) {
Value *AEV = SD.SplitValue; Value *AEV = SD.SplitValue;
Value *BSV = SD.SplitValue; Value *BSV = SD.SplitValue;
if (ExitCondition->getPredicate() == ICmpInst::ICMP_SGT
|| ExitCondition->getPredicate() == ICmpInst::ICMP_UGT
|| ExitCondition->getPredicate() == ICmpInst::ICMP_SGE
|| ExitCondition->getPredicate() == ICmpInst::ICMP_UGE)
ExitCondition->swapOperands();
switch (ExitCondition->getPredicate()) { switch (ExitCondition->getPredicate()) {
case ICmpInst::ICMP_SGT: case ICmpInst::ICMP_SGT:
case ICmpInst::ICMP_UGT: case ICmpInst::ICMP_UGT: