Lower insertelement and extractelement.

src/IceInst.cpp

Index: src/IceInst.cpp
diff --git a/src/IceInst.cpp b/src/IceInst.cpp
index 12ca16c4caa0c6fbf14858941294e9cae54722a6..004b5550baab037ed52cfab41cad584766990a34 100644
--- a/src/IceInst.cpp
+++ b/src/IceInst.cpp
@@ -267,6 +267,13 @@ InstCast::InstCast(Cfg *Func, OpKind CastKind, Variable *Dest, Operand *Source)
   addSource(Source);
 }
 
+InstExtractElement::InstExtractElement(Cfg *Func, Variable *Dest,
+                                       Operand *Source1, Operand *Source2)
+    : Inst(Func, Inst::ExtractElement, 2, Dest) {
+  addSource(Source1);
+  addSource(Source2);
+}
+
 InstFcmp::InstFcmp(Cfg *Func, FCond Condition, Variable *Dest, Operand *Source1,
                    Operand *Source2)
     : Inst(Func, Inst::Fcmp, 2, Dest), Condition(Condition) {
@@ -281,6 +288,15 @@ InstIcmp::InstIcmp(Cfg *Func, ICond Condition, Variable *Dest, Operand *Source1,
   addSource(Source2);
 }
 
+InstInsertElement::InstInsertElement(Cfg *Func, Variable *Dest,
+                                     Operand *Source1, Operand *Source2,
+                                     Operand *Source3)
+    : Inst(Func, Inst::InsertElement, 3, Dest) {
+  addSource(Source1);
+  addSource(Source2);
+  addSource(Source3);
+}
+
 InstLoad::InstLoad(Cfg *Func, Variable *Dest, Operand *SourceAddr)
     : Inst(Func, Inst::Load, 1, Dest) {
   addSource(SourceAddr);
@@ -586,6 +602,31 @@ void InstIcmp::dump(const Cfg *Func) const {
   dumpSources(Func);
 }
 
+void InstExtractElement::dump(const Cfg *Func) const {
+  Ostream &Str = Func->getContext()->getStrDump();
+  dumpDest(Func);
+  Str << " = extractelement ";
+  Str << getSrc(0)->getType() << " ";
+  getSrc(0)->dump(Func);
+  Str << ", ";
+  Str << getSrc(1)->getType() << " ";
+  getSrc(1)->dump(Func);
+};
+
+void InstInsertElement::dump(const Cfg *Func) const {
+  Ostream &Str = Func->getContext()->getStrDump();
+  dumpDest(Func);
+  Str << " = insertelement ";
+  Str << getSrc(0)->getType() << " ";
+  getSrc(0)->dump(Func);
+  Str << ", ";
+  Str << getSrc(1)->getType() << " ";
+  getSrc(1)->dump(Func);
+  Str << ", ";
+  Str << getSrc(2)->getType() << " ";
+  getSrc(2)->dump(Func);
+};
+
 void InstFcmp::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   dumpDest(Func);