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Don't analyze block if it's not considered for ifcvt anymore.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134856 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak 2011-07-10 02:00:16 +00:00
parent c0ca67fbd3
commit 2b33f4cbad
1 changed files with 3 additions and 2 deletions
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5
lib/CodeGen/IfConversion.cpp
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@ -751,8 +751,9 @@ IfConverter::BBInfo &IfConverter::AnalyzeBlock(MachineBasicBlock *BB,
ScanInstructions(BBI); ScanInstructions(BBI);
// Unanalyzable or ends with fallthrough or unconditional branch. // Unanalyzable or ends with fallthrough or unconditional branch, or if is not
if (!BBI.IsBrAnalyzable || BBI.BrCond.empty()) { // considered for ifcvt anymore.
if (!BBI.IsBrAnalyzable || BBI.BrCond.empty() || BBI.IsDone) {
BBI.IsBeingAnalyzed = false; BBI.IsBeingAnalyzed = false;
BBI.IsAnalyzed = true; BBI.IsAnalyzed = true;
return BBI; return BBI;