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Reduce indentation and fix the count of how many PHIs we have inserted.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134370 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2011-07-04 00:13:36 +00:00
parent 736a0118b5
commit c0af352038
1 changed files with 87 additions and 82 deletions
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11
lib/CodeGen/TailDuplication.cpp
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@ -201,7 +201,9 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) {
SmallVector<MachineBasicBlock*, 8> TDBBs;
SmallVector<MachineInstr*, 16> Copies;
if (TailDuplicate(MBB, MF, TDBBs, Copies)) {
if (!TailDuplicate(MBB, MF, TDBBs, Copies))
continue;
++NumTails;
// TailBB's immediate successors are now successors of those predecessors
@ -220,6 +222,7 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) {
// Update SSA form.
if (!SSAUpdateVRs.empty()) {
NewPHIs.clear();
for (unsigned i = 0, e = SSAUpdateVRs.size(); i != e; ++i) {
unsigned VReg = SSAUpdateVRs[i];
SSAUpdate.Initialize(VReg);
@ -285,9 +288,11 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) {
if (PreRegAlloc && TailDupVerify)
VerifyPHIs(MF, false);
MadeChange = true;
}
}
if (NewPHIs.size())
NumAddedPHIs += NewPHIs.size();
}
return MadeChange;
}