sign_extend_inreg needs to be expanded for pre-v6 Thumb as well as ARM.
Radar 8104310.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106484 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 333907c..7f89b2d 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -455,7 +455,7 @@
// If the subtarget does not have extract instructions, sign_extend_inreg
// needs to be expanded. Extract is available in ARM mode on v6 and up,
// and on most Thumb2 implementations.
- if ((!Subtarget->isThumb() && !Subtarget->hasV6Ops())
+ if (!Subtarget->hasV6Ops()
|| (Subtarget->isThumb2() && !Subtarget->hasT2ExtractPack())) {
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8, Expand);