From 0d79aaf1a7303cc0840563d7ed3a2f2cf2bab25f Mon Sep 17 00:00:00 2001
From: Clement Courbet <courbet@google.com>
Date: Thu, 8 Nov 2018 12:09:45 +0000
Subject: Revert "[llvm-exegesis] Add a snippet generator to generate snippets
 to compute ROB sizes."

This reverts accidental commit rL346394.

llvm-svn: 346398
---
 llvm/tools/llvm-exegesis/lib/Target.cpp | 54 ++++++++++++---------------------
 1 file changed, 20 insertions(+), 34 deletions(-)

(limited to 'llvm/tools/llvm-exegesis/lib/Target.cpp')

diff --git a/llvm/tools/llvm-exegesis/lib/Target.cpp b/llvm/tools/llvm-exegesis/lib/Target.cpp
index 085518c9a67..06557770418 100644
--- a/llvm/tools/llvm-exegesis/lib/Target.cpp
+++ b/llvm/tools/llvm-exegesis/lib/Target.cpp
@@ -9,7 +9,6 @@
 #include "Target.h"
 
 #include "Latency.h"
-#include "ROBSize.h"
 #include "Uops.h"
 
 namespace llvm {
@@ -38,31 +37,6 @@ void ExegesisTarget::registerTarget(ExegesisTarget *Target) {
   FirstTarget = Target;
 }
 
-std::unique_ptr<SnippetGenerator>
-ExegesisTarget::createLatencySnippetGenerator(const LLVMState &State) const {
-  return llvm::make_unique<LatencySnippetGenerator>(State);
-}
-
-std::unique_ptr<SnippetGenerator>
-ExegesisTarget::createUopsSnippetGenerator(const LLVMState &State) const {
-  return llvm::make_unique<UopsSnippetGenerator>(State);
-}
-
-std::unique_ptr<SnippetGenerator>
-static createROBSizeSnippetGenerator(const LLVMState &State) {
-  return llvm::make_unique<ROBSizeSnippetGenerator>(State);
-}
-
-std::unique_ptr<BenchmarkRunner>
-ExegesisTarget::createLatencyBenchmarkRunner(const LLVMState &State) const {
-  return llvm::make_unique<LatencyBenchmarkRunner>(State);
-}
-
-std::unique_ptr<BenchmarkRunner>
-ExegesisTarget::createUopsBenchmarkRunner(const LLVMState &State) const {
-  return llvm::make_unique<UopsBenchmarkRunner>(State);
-}
-
 std::unique_ptr<SnippetGenerator>
 ExegesisTarget::createSnippetGenerator(InstructionBenchmark::ModeE Mode,
                                        const LLVMState &State) const {
@@ -73,8 +47,6 @@ ExegesisTarget::createSnippetGenerator(InstructionBenchmark::ModeE Mode,
     return createLatencySnippetGenerator(State);
   case InstructionBenchmark::Uops:
     return createUopsSnippetGenerator(State);
-  case InstructionBenchmark::ROBSize:
-    return createROBSizeSnippetGenerator(State);
   }
   return nullptr;
 }
@@ -86,7 +58,6 @@ ExegesisTarget::createBenchmarkRunner(InstructionBenchmark::ModeE Mode,
   case InstructionBenchmark::Unknown:
     return nullptr;
   case InstructionBenchmark::Latency:
-  case InstructionBenchmark::ROBSize:
     return createLatencyBenchmarkRunner(State);
   case InstructionBenchmark::Uops:
     return createUopsBenchmarkRunner(State);
@@ -94,6 +65,26 @@ ExegesisTarget::createBenchmarkRunner(InstructionBenchmark::ModeE Mode,
   return nullptr;
 }
 
+std::unique_ptr<SnippetGenerator>
+ExegesisTarget::createLatencySnippetGenerator(const LLVMState &State) const {
+  return llvm::make_unique<LatencySnippetGenerator>(State);
+}
+
+std::unique_ptr<SnippetGenerator>
+ExegesisTarget::createUopsSnippetGenerator(const LLVMState &State) const {
+  return llvm::make_unique<UopsSnippetGenerator>(State);
+}
+
+std::unique_ptr<BenchmarkRunner>
+ExegesisTarget::createLatencyBenchmarkRunner(const LLVMState &State) const {
+  return llvm::make_unique<LatencyBenchmarkRunner>(State);
+}
+
+std::unique_ptr<BenchmarkRunner>
+ExegesisTarget::createUopsBenchmarkRunner(const LLVMState &State) const {
+  return llvm::make_unique<UopsBenchmarkRunner>(State);
+}
+
 static_assert(std::is_pod<PfmCountersInfo>::value,
               "We shouldn't have dynamic initialization here");
 const PfmCountersInfo PfmCountersInfo::Default = {nullptr, nullptr, nullptr, 0u};
@@ -132,11 +123,6 @@ private:
     llvm_unreachable("Not yet implemented");
   }
 
-  std::vector<llvm::MCInst> copyReg(const llvm::MCSubtargetInfo &STI,
-                                     unsigned ToReg, unsigned FromReg) const override {
-    llvm_unreachable("Not yet implemented");
-  }
-
   bool matchesArch(llvm::Triple::ArchType Arch) const override {
     llvm_unreachable("never called");
     return false;
-- 
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