commit e6ff30b696739aca2e86484750c68dce113712a1
author Matthias Braun <matze@braunis.de> Sat Mar 18 05:08:58 2017 +0000
committer Matthias Braun <matze@braunis.de> Sat Mar 18 05:08:58 2017 +0000
tree 9a70a245b923dcd892343b643a37d0b35df87d40
parent e9f8209e8791bc11375cdf3b2c1d43d6491943e6

ExecutionDepsFix: Let targets specialize the pass; NFC

Let targets specialize the pass with the register class so we can get a
parameterless default constructor and can put the pass into the pass
registry to enable testing with -run-pass=.

llvm-svn: 298184

llvm/lib/Target/X86/X86TargetMachine.cpp

diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 9e72da2..c4d6b45 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -30,12 +30,13 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/CodeGen/ExecutionDepsFix.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelect.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"
@@ -61,6 +62,7 @@
 namespace llvm {
 
 void initializeWinEHStatePassPass(PassRegistry &);
+void initializeX86ExecutionDepsFixPass(PassRegistry &);
 
 } // end namespace llvm
 
@@ -74,6 +76,7 @@
   initializeWinEHStatePassPass(PR);
   initializeFixupBWInstPassPass(PR);
   initializeEvexToVexInstPassPass(PR);
+  initializeX86ExecutionDepsFixPass(PR);
 }
 
 static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
@@ -349,8 +352,21 @@
   void addPreSched2() override;
 };
 
+class X86ExecutionDepsFix : public ExecutionDepsFix {
+public:
+  static char ID;
+  X86ExecutionDepsFix() : ExecutionDepsFix(ID, X86::VR128XRegClass) {}
+  StringRef getPassName() const override {
+    return "X86 Execution Dependency Fix";
+  }
+};
+char X86ExecutionDepsFix::ID;
+
 } // end anonymous namespace
 
+INITIALIZE_PASS(X86ExecutionDepsFix, "x86-execution-deps-fix",
+                "X86 Execution Dependency Fix", false, false);
+
 TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) {
   return new X86PassConfig(this, PM);
 }
@@ -432,7 +448,7 @@
 
 void X86PassConfig::addPreEmitPass() {
   if (getOptLevel() != CodeGenOpt::None)
-    addPass(createExecutionDepsFixPass(&X86::VR128XRegClass));
+    addPass(new X86ExecutionDepsFix());
 
   if (UseVZeroUpper)
     addPass(createX86IssueVZeroUpperPass());