commit f7359d893af318deca46b85f2d6c0f0f533783c7
author Igor Breger <igor.breger@intel.com> Wed Feb 22 12:25:09 2017 +0000
committer Igor Breger <igor.breger@intel.com> Wed Feb 22 12:25:09 2017 +0000
tree 08b92e8cbc965238c1b4465f9e74c722f0b3860e
parent a2fc1e0cc886df429cde9e6ac59ce3fad4419461

[X86][GlobalISel] Initial implementation , select G_ADD gpr, gpr

Summary: Initial implementation for X86InstructionSelector. Handle selection COPY and G_ADD/G_SUB gpr, gpr .

Reviewers: qcolombet, rovka, zvi, ab

Reviewed By: rovka

Subscribers: mgorny, dberris, kristof.beyls, llvm-commits

Differential Revision: https://reviews.llvm.org/D29816

llvm-svn: 295824

llvm/lib/Target/X86/X86TargetMachine.cpp

diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 1894d61..3f61cd8 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -15,6 +15,7 @@
 #include "X86.h"
 #include "X86CallLowering.h"
 #include "X86LegalizerInfo.h"
+#include "X86InstructionSelector.h"
 #ifdef LLVM_BUILD_GLOBAL_ISEL
 #include "X86RegisterBankInfo.h"
 #endif
@@ -34,6 +35,7 @@
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
 #include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
 #include "llvm/CodeGen/MachineScheduler.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
@@ -211,14 +213,14 @@
   std::unique_ptr<CallLowering> CallLoweringInfo;
   std::unique_ptr<LegalizerInfo> Legalizer;
   std::unique_ptr<RegisterBankInfo> RegBankInfo;
+  std::unique_ptr<InstructionSelector> InstSelector;
 
   const CallLowering *getCallLowering() const override {
     return CallLoweringInfo.get();
   }
 
   const InstructionSelector *getInstructionSelector() const override {
-    //TODO: Implement
-    return nullptr;
+    return InstSelector.get();
   }
 
   const LegalizerInfo *getLegalizerInfo() const override {
@@ -282,6 +284,7 @@
 
     auto *RBI = new X86RegisterBankInfo(*I->getRegisterInfo());
     GISel->RegBankInfo.reset(RBI);
+    GISel->InstSelector.reset(new X86InstructionSelector(*this, *I, *RBI));
 
 #endif
     I->setGISelAccessor(*GISel);
@@ -391,7 +394,7 @@
 }
 
 bool X86PassConfig::addGlobalInstructionSelect() {
-  //TODO: Implement
+  addPass(new InstructionSelect());
   return false;
 }
 #endif