ARM64: Combine shifts and uses from different basic block to bit-extract instruction

[oota-llvm.git] / lib / Target / ARM64 / ARM64ISelLowering.cpp

diff --git a/lib/Target/ARM64/ARM64ISelLowering.cpp b/lib/Target/ARM64/ARM64ISelLowering.cpp
index 7fee5646d1ce997e07a4038d3653084a9ef04264..ee498e65c71c5991903e9bd10c0ccedb7a2c8747 100644 (file)
--- a/lib/Target/ARM64/ARM64ISelLowering.cpp
+++ b/lib/Target/ARM64/ARM64ISelLowering.cpp
@@ -438,6 +438,8 @@ ARM64TargetLowering::ARM64TargetLowering(ARM64TargetMachine &TM)
   setDivIsWellDefined(true);
 
   RequireStrictAlign = StrictAlign;
+
+  setHasExtractBitsInsn(true);
 }
 
 void ARM64TargetLowering::addTypeForNEON(EVT VT, EVT PromotedBitwiseVT) {