[llvm] 62881fd - Fix HexagonGenExtract return status

[via llvm-commits]

Author: serge-sans-paille
Date: 2020-07-13T20:41:59+02:00
New Revision: 62881fda5852b9a5960c3f8c26e864d5085d11bb

URL: https://github.com/llvm/llvm-project/commit/62881fda5852b9a5960c3f8c26e864d5085d11bb
DIFF: https://github.com/llvm/llvm-project/commit/62881fda5852b9a5960c3f8c26e864d5085d11bb.diff

LOG: Fix HexagonGenExtract return status

Differential Revision: https://reviews.llvm.org/D83460

Added: 
    

Modified: 
    llvm/lib/Target/Hexagon/HexagonGenExtract.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp b/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp
index 342ca21525c5..d9307190ae16 100644
--- a/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp
@@ -221,15 +221,16 @@ bool HexagonGenExtract::convert(Instruction *In) {
 }
 
 bool HexagonGenExtract::visitBlock(BasicBlock *B) {
+  bool Changed = false;
+
   // Depth-first, bottom-up traversal.
   for (auto *DTN : children<DomTreeNode*>(DT->getNode(B)))
-    visitBlock(DTN->getBlock());
+    Changed |= visitBlock(DTN->getBlock());
 
   // Allow limiting the number of generated extracts for debugging purposes.
   bool HasCutoff = ExtractCutoff.getPosition();
   unsigned Cutoff = ExtractCutoff;
 
-  bool Changed = false;
   BasicBlock::iterator I = std::prev(B->end()), NextI, Begin = B->begin();
   while (true) {
     if (HasCutoff && (ExtractCount >= Cutoff))