diff options
Diffstat (limited to 'src/qml/compiler/qv4ssa.cpp')
| -rw-r--r-- | src/qml/compiler/qv4ssa.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4ssa.cpp b/src/qml/compiler/qv4ssa.cpp index e4eaeaa3f6..4111cc77db 100644 --- a/src/qml/compiler/qv4ssa.cpp +++ b/src/qml/compiler/qv4ssa.cpp @@ -5075,6 +5075,10 @@ void mergeBasicBlocks(IR::Function *function, DefUses *du, DominatorTree *dt) BasicBlock *successor = bb->out.first(); if (successor->in.size() != 1) continue; // more than one incoming edge + // Loop header? No efficient way to update the other blocks that refer to this as containing group, + // so don't do merging yet. + if (successor->isGroupStart()) continue; + // Ok, we can merge the two basic blocks. if (DebugBlockMerging) { qDebug("Merging L%d into L%d", successor->index(), bb->index()); |