diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index d4d5fcd48cb..7da810c40c4 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -1682,10 +1682,11 @@ static bool OptimizeExtractBits(BinaryOperator *ShiftI, ConstantInt *CI, TheUse = InsertedShift; } - // If we removed all uses, nuke the shift. + // If we removed all uses, or there are none, nuke the shift. if (ShiftI->use_empty()) { salvageDebugInfo(*ShiftI); ShiftI->eraseFromParent(); + MadeChange = true; } return MadeChange; |