Make sure to expand SIGN_EXTEND_INREG for NEON vectors. PR11319, round 3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144361 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 10 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 6f2b3b83bc..b55ef700f5 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -127,6 +127,7 @@ void ARMTargetLowering::addTypeForNEON(EVT VT, EVT PromotedLdStVT,
   setOperationAction(ISD::EXTRACT_SUBVECTOR, VT.getSimpleVT(), Legal);
   setOperationAction(ISD::SELECT, VT.getSimpleVT(), Expand);
   setOperationAction(ISD::SELECT_CC, VT.getSimpleVT(), Expand);
+  setOperationAction(ISD::SIGN_EXTEND_INREG, VT.getSimpleVT(), Expand);
   if (VT.isInteger()) {
     setOperationAction(ISD::SHL, VT.getSimpleVT(), Custom);
     setOperationAction(ISD::SRA, VT.getSimpleVT(), Custom);
diff --git a/test/CodeGen/ARM/2011-11-07-PromoteVectorLoadStore.ll b/test/CodeGen/ARM/2011-11-07-PromoteVectorLoadStore.ll
index af43671791..113cbfe396 100644
--- a/test/CodeGen/ARM/2011-11-07-PromoteVectorLoadStore.ll
+++ b/test/CodeGen/ARM/2011-11-07-PromoteVectorLoadStore.ll
@@ -13,3 +13,12 @@ define void @test_neon_vector_add_2xi8() nounwind {
   store <2 x i8> %3, <2 x i8>* @i8_res
   ret void
 }
+
+define void @test_neon_ld_st_volatile_with_ashr_2xi8() {
+; CHECK: test_neon_ld_st_volatile_with_ashr_2xi8:
+  %1 = load volatile <2 x i8>* @i8_src1
+  %2 = load volatile <2 x i8>* @i8_src2
+  %3 = ashr <2 x i8> %1, %2
+  store volatile <2 x i8> %3, <2 x i8>* @i8_res
+  ret void
+}