Subzero: Add a few performance measurement tools.

src/IceInstX8632.cpp

Index: src/IceInstX8632.cpp
diff --git a/src/IceInstX8632.cpp b/src/IceInstX8632.cpp
index 18b4b44a9be24eb9890d26c160b1d64ccca47f35..7150fa98c0bd72102e842f24f5cde243949df838 100644
--- a/src/IceInstX8632.cpp
+++ b/src/IceInstX8632.cpp
@@ -782,7 +782,8 @@ const x86::AssemblerX86::GPREmitterRegOp InstX8632Lea::Emitter = {
 // Unary XMM ops
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Sqrtss::Emitter = {
-    &x86::AssemblerX86::sqrtss, &x86::AssemblerX86::sqrtss};
+  &x86::AssemblerX86::sqrtss, &x86::AssemblerX86::sqrtss
+};
 
 // Binary GPR ops
 template <>
@@ -824,58 +825,76 @@ const x86::AssemblerX86::GPREmitterShiftOp InstX8632Shr::Emitter = {
 // Binary XMM ops
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Addss::Emitter = {
-    &x86::AssemblerX86::addss, &x86::AssemblerX86::addss};
+  &x86::AssemblerX86::addss, &x86::AssemblerX86::addss
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Addps::Emitter = {
-    &x86::AssemblerX86::addps, &x86::AssemblerX86::addps};
+  &x86::AssemblerX86::addps, &x86::AssemblerX86::addps
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Divss::Emitter = {
-    &x86::AssemblerX86::divss, &x86::AssemblerX86::divss};
+  &x86::AssemblerX86::divss, &x86::AssemblerX86::divss
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Divps::Emitter = {
-    &x86::AssemblerX86::divps, &x86::AssemblerX86::divps};
+  &x86::AssemblerX86::divps, &x86::AssemblerX86::divps
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Mulss::Emitter = {
-    &x86::AssemblerX86::mulss, &x86::AssemblerX86::mulss};
+  &x86::AssemblerX86::mulss, &x86::AssemblerX86::mulss
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Mulps::Emitter = {
-    &x86::AssemblerX86::mulps, &x86::AssemblerX86::mulps};
+  &x86::AssemblerX86::mulps, &x86::AssemblerX86::mulps
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Padd::Emitter = {
-    &x86::AssemblerX86::padd, &x86::AssemblerX86::padd};
+  &x86::AssemblerX86::padd, &x86::AssemblerX86::padd
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pand::Emitter = {
-    &x86::AssemblerX86::pand, &x86::AssemblerX86::pand};
+  &x86::AssemblerX86::pand, &x86::AssemblerX86::pand
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pandn::Emitter = {
-    &x86::AssemblerX86::pandn, &x86::AssemblerX86::pandn};
+  &x86::AssemblerX86::pandn, &x86::AssemblerX86::pandn
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pcmpeq::Emitter = {
-    &x86::AssemblerX86::pcmpeq, &x86::AssemblerX86::pcmpeq};
+  &x86::AssemblerX86::pcmpeq, &x86::AssemblerX86::pcmpeq
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pcmpgt::Emitter = {
-    &x86::AssemblerX86::pcmpgt, &x86::AssemblerX86::pcmpgt};
+  &x86::AssemblerX86::pcmpgt, &x86::AssemblerX86::pcmpgt
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pmull::Emitter = {
-    &x86::AssemblerX86::pmull, &x86::AssemblerX86::pmull};
+  &x86::AssemblerX86::pmull, &x86::AssemblerX86::pmull
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pmuludq::Emitter = {
-    &x86::AssemblerX86::pmuludq, &x86::AssemblerX86::pmuludq};
+  &x86::AssemblerX86::pmuludq, &x86::AssemblerX86::pmuludq
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Por::Emitter = {
-    &x86::AssemblerX86::por, &x86::AssemblerX86::por};
+  &x86::AssemblerX86::por, &x86::AssemblerX86::por
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Psub::Emitter = {
-    &x86::AssemblerX86::psub, &x86::AssemblerX86::psub};
+  &x86::AssemblerX86::psub, &x86::AssemblerX86::psub
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Pxor::Emitter = {
-    &x86::AssemblerX86::pxor, &x86::AssemblerX86::pxor};
+  &x86::AssemblerX86::pxor, &x86::AssemblerX86::pxor
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Subss::Emitter = {
-    &x86::AssemblerX86::subss, &x86::AssemblerX86::subss};
+  &x86::AssemblerX86::subss, &x86::AssemblerX86::subss
+};
 template <>
 const x86::AssemblerX86::XmmEmitterRegOp InstX8632Subps::Emitter = {
-    &x86::AssemblerX86::subps, &x86::AssemblerX86::subps};
+  &x86::AssemblerX86::subps, &x86::AssemblerX86::subps
+};
 
 // Binary XMM Shift ops
 template <>
@@ -1427,10 +1446,11 @@ void InstX8632Icmp::emitIAS(const Cfg *Func) const {
   const Operand *Src1 = getSrc(1);
   Type Ty = Src0->getType();
   static const x86::AssemblerX86::GPREmitterRegOp RegEmitter = {
-      &x86::AssemblerX86::cmp, &x86::AssemblerX86::cmp,
-      &x86::AssemblerX86::cmp};
+    &x86::AssemblerX86::cmp, &x86::AssemblerX86::cmp, &x86::AssemblerX86::cmp
+  };
   static const x86::AssemblerX86::GPREmitterAddrOp AddrEmitter = {
-      &x86::AssemblerX86::cmp, &x86::AssemblerX86::cmp};
+    &x86::AssemblerX86::cmp, &x86::AssemblerX86::cmp
+  };
   if (const Variable *SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
     if (SrcVar0->hasReg()) {
       emitIASRegOpTyGPR(Func, Ty, SrcVar0, Src1, RegEmitter);
@@ -1471,7 +1491,8 @@ void InstX8632Ucomiss::emitIAS(const Cfg *Func) const {
   const Variable *Src0 = llvm::cast<Variable>(getSrc(0));
   Type Ty = Src0->getType();
   const static x86::AssemblerX86::XmmEmitterRegOp Emitter = {
-      &x86::AssemblerX86::ucomiss, &x86::AssemblerX86::ucomiss};
+    &x86::AssemblerX86::ucomiss, &x86::AssemblerX86::ucomiss
+  };
   emitIASRegOpTyXMM(Func, Ty, Src0, getSrc(1), Emitter);
 }
 
@@ -1517,9 +1538,11 @@ void InstX8632Test::emitIAS(const Cfg *Func) const {
   Type Ty = Src0->getType();
   // The Reg/Addr form of test is not encodeable.
   static const x86::AssemblerX86::GPREmitterRegOp RegEmitter = {
-      &x86::AssemblerX86::test, NULL, &x86::AssemblerX86::test};
+    &x86::AssemblerX86::test, NULL, &x86::AssemblerX86::test
+  };
   static const x86::AssemblerX86::GPREmitterAddrOp AddrEmitter = {
-      &x86::AssemblerX86::test, &x86::AssemblerX86::test};
+    &x86::AssemblerX86::test, &x86::AssemblerX86::test
+  };
   if (const Variable *SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
     if (SrcVar0->hasReg()) {
       emitIASRegOpTyGPR(Func, Ty, SrcVar0, Src1, RegEmitter);
@@ -1770,8 +1793,9 @@ template <> void InstX8632Movp::emitIAS(const Cfg *Func) const {
   const Variable *Dest = getDest();
   const Operand *Src = getSrc(0);
   const static x86::AssemblerX86::XmmEmitterMovOps Emitter = {
-      &x86::AssemblerX86::movups, &x86::AssemblerX86::movups,
-      &x86::AssemblerX86::movups};
+    &x86::AssemblerX86::movups, &x86::AssemblerX86::movups,
+    &x86::AssemblerX86::movups
+  };
   emitIASMovlikeXMM(Func, Dest, Src, Emitter);
 }
 
@@ -1794,8 +1818,8 @@ template <> void InstX8632Movq::emitIAS(const Cfg *Func) const {
   const Variable *Dest = getDest();
   const Operand *Src = getSrc(0);
   const static x86::AssemblerX86::XmmEmitterMovOps Emitter = {
-      &x86::AssemblerX86::movq, &x86::AssemblerX86::movq,
-      &x86::AssemblerX86::movq};
+    &x86::AssemblerX86::movq, &x86::AssemblerX86::movq, &x86::AssemblerX86::movq
+  };
   emitIASMovlikeXMM(Func, Dest, Src, Emitter);
 }