ARM32 Vector lowering - scalarize select

src/IceTargetLowering.cpp

Index: src/IceTargetLowering.cpp
diff --git a/src/IceTargetLowering.cpp b/src/IceTargetLowering.cpp
index 2935df9fd339b1c38d6dd625da703c95e2ea1b8d..0d12d481adb4a49b878699c60240d2faf94c8236 100644
--- a/src/IceTargetLowering.cpp
+++ b/src/IceTargetLowering.cpp
@@ -308,6 +308,7 @@ TargetLowering::AutoBundle::~AutoBundle() {
 }
 
 void TargetLowering::genTargetHelperCalls() {
+  Utils::BoolFlagSaver _(GeneratingTargetHelpers, true);
   for (CfgNode *Node : Func->getNodes()) {
     Context.init(Node);
     while (!Context.atEnd()) {
@@ -706,10 +707,16 @@ void TargetLowering::scalarizeArithmetic(InstArithmetic::OpKind Kind,
                                          Variable *Dest, Operand *Src0,
                                          Operand *Src1) {
   scalarizeInstruction(
-      Dest, Src0, Src1,
-      [this, Kind](Variable *Dest, Variable *Src0, Variable *Src1) {
+      Dest, [this, Kind](Variable *Dest, Operand *Src0, Operand *Src1) {
         return Context.insert<InstArithmetic>(Kind, Dest, Src0, Src1);
-      });
+      }, Src0, Src1);
+}
+
+Variable *TargetLowering::makeExtract(Operand *Src, Operand *Index) {
+  const auto ElementTy = typeElementType(Src->getType());
+  auto *Op = Func->makeVariable(ElementTy);
+  Context.insert<InstExtractElement>(Op, Src, Index);
+  return Op;
 }
 
 void TargetLowering::emitWithoutPrefix(const ConstantRelocatable *C,