Don't analyze block if it's not considered for ifcvt anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134856 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp
index c918bf6..8cf68d6 100644
--- a/lib/CodeGen/IfConversion.cpp
+++ b/lib/CodeGen/IfConversion.cpp
@@ -751,8 +751,9 @@
ScanInstructions(BBI);
- // Unanalyzable or ends with fallthrough or unconditional branch.
- if (!BBI.IsBrAnalyzable || BBI.BrCond.empty()) {
+ // Unanalyzable or ends with fallthrough or unconditional branch, or if is not
+ // considered for ifcvt anymore.
+ if (!BBI.IsBrAnalyzable || BBI.BrCond.empty() || BBI.IsDone) {
BBI.IsBeingAnalyzed = false;
BBI.IsAnalyzed = true;
return BBI;