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tidy asserts

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62982 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-01-26 01:38:24 +00:00
parent 51a0437b16
commit 2ba2543df2
1 changed files with 17 additions and 18 deletions
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35
lib/Transforms/Scalar/LoopRotation.cpp
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@ -139,8 +139,8 @@ bool LoopRotate::rotateLoop(Loop *Lp, LPPassManager &LPM) {
if (L->getBlocks().size() == 1)
return false;
assert (OrigHeader && OrigLatch && OrigPreHeader &&
"Loop is not in canonical form");
assert(OrigHeader && OrigLatch && OrigPreHeader &&
"Loop is not in canonical form");
// If loop header is not one of the loop exit block then
// either this loop is already rotated or it is not
@ -151,7 +151,7 @@ bool LoopRotate::rotateLoop(Loop *Lp, LPPassManager &LPM) {
BranchInst *BI = dyn_cast<BranchInst>(OrigHeader->getTerminator());
if (!BI)
return false;
assert (BI->isConditional() && "Branch Instruction is not conditional");
assert(BI->isConditional() && "Branch Instruction is not conditional");
// Updating PHInodes in loops with multiple exits adds complexity.
// Keep it simple, and restrict loop rotation to loops with one exit only.
@ -176,7 +176,7 @@ bool LoopRotate::rotateLoop(Loop *Lp, LPPassManager &LPM) {
NewHeader = BI->getSuccessor(1);
if (L->contains(Exit))
std::swap(Exit, NewHeader);
assert (NewHeader && "Unable to determine new loop header");
assert(NewHeader && "Unable to determine new loop header");
assert(L->contains(NewHeader) && !L->contains(Exit) &&
"Unable to determine loop header and exit blocks");
@ -221,7 +221,7 @@ bool LoopRotate::rotateLoop(Loop *Lp, LPPassManager &LPM) {
for (; I != E; ++I) {
Instruction *In = I;
assert (!isa<PHINode>(In) && "PHINode is not expected here");
assert(!isa<PHINode>(In) && "PHINode is not expected here");
// This is not a PHI instruction. Insert its clone into original pre-header.
// If this instruction is using a value from same basic block then
// update it to use value from cloned instruction.
@ -325,7 +325,7 @@ bool LoopRotate::rotateLoop(Loop *Lp, LPPassManager &LPM) {
// Used inside Exit Block. Since we are in LCSSA form, U must be PHINode.
if (U->getParent() == Exit) {
assert (isa<PHINode>(U) && "Use in Exit Block that is not PHINode");
assert(isa<PHINode>(U) && "Use in Exit Block that is not PHINode");
PHINode *UPhi = cast<PHINode>(U);
// UPhi already has one incoming argument from original header.
@ -457,8 +457,8 @@ void LoopRotate::preserveCanonicalLoopForm(LPPassManager &LPM) {
if (OrigPH_BI->getSuccessor(0) == NewHeader)
OrigPH_BI->setSuccessor(0, NewPreHeader);
else {
assert (OrigPH_BI->getSuccessor(1) == NewHeader &&
"Unexpected original pre-header terminator");
assert(OrigPH_BI->getSuccessor(1) == NewHeader &&
"Unexpected original pre-header terminator");
OrigPH_BI->setSuccessor(1, NewPreHeader);
}
@ -470,10 +470,10 @@ void LoopRotate::preserveCanonicalLoopForm(LPPassManager &LPM) {
break;
int index = PN->getBasicBlockIndex(OrigPreHeader);
assert (index != -1 && "Expected incoming value from Original PreHeader");
assert(index != -1 && "Expected incoming value from Original PreHeader");
PN->setIncomingBlock(index, NewPreHeader);
assert (PN->getBasicBlockIndex(OrigPreHeader) == -1 &&
"Expected only one incoming value from Original PreHeader");
assert(PN->getBasicBlockIndex(OrigPreHeader) == -1 &&
"Expected only one incoming value from Original PreHeader");
}
if (DominatorTree *DT = getAnalysisToUpdate<DominatorTree>()) {
@ -571,11 +571,10 @@ void LoopRotate::preserveCanonicalLoopForm(LPPassManager &LPM) {
}
}
assert (NewHeader && L->getHeader() == NewHeader
&& "Invalid loop header after loop rotation");
assert (NewPreHeader && L->getLoopPreheader() == NewPreHeader
&& "Invalid loop preheader after loop rotation");
assert (L->getLoopLatch()
&& "Invalid loop latch after loop rotation");
assert(NewHeader && L->getHeader() == NewHeader &&
"Invalid loop header after loop rotation");
assert(NewPreHeader && L->getLoopPreheader() == NewPreHeader &&
"Invalid loop preheader after loop rotation");
assert(L->getLoopLatch() &&
"Invalid loop latch after loop rotation");
}