From aab5ec078e92c0c8b4db80dfb10a4adf21a00c85 Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Sat, 31 Jan 2015 11:18:46 +0000
Subject: [PATCH] [PM] Update Clang for the new LLVM API in r227685 for
 managing the TargetTransformInfo, and unify the code in a single place.

llvm-svn: 227686
---
 clang/lib/CodeGen/BackendUtil.cpp | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 702383572cc6..6df34af86e76 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -16,6 +16,7 @@
 #include "clang/Frontend/Utils.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Bitcode/BitcodeWriterPass.h"
 #include "llvm/CodeGen/RegAllocRegistry.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
@@ -60,12 +61,18 @@ class EmitAssemblyHelper {
   mutable FunctionPassManager *PerFunctionPasses;
 
 private:
+  TargetTransformInfo getTTI() const {
+    if (TM)
+      return TM->getTTI();
+
+    return TargetTransformInfo(TheModule->getDataLayout());
+  }
+
   PassManager *getCodeGenPasses() const {
     if (!CodeGenPasses) {
       CodeGenPasses = new PassManager();
       CodeGenPasses->add(new DataLayoutPass());
-      if (TM)
-        TM->addAnalysisPasses(*CodeGenPasses);
+      CodeGenPasses->add(createTargetTransformInfoWrapperPass(getTTI()));
     }
     return CodeGenPasses;
   }
@@ -74,8 +81,7 @@ private:
     if (!PerModulePasses) {
       PerModulePasses = new PassManager();
       PerModulePasses->add(new DataLayoutPass());
-      if (TM)
-        TM->addAnalysisPasses(*PerModulePasses);
+      PerModulePasses->add(createTargetTransformInfoWrapperPass(getTTI()));
     }
     return PerModulePasses;
   }
@@ -84,8 +90,7 @@ private:
     if (!PerFunctionPasses) {
       PerFunctionPasses = new FunctionPassManager(TheModule);
       PerFunctionPasses->add(new DataLayoutPass());
-      if (TM)
-        TM->addAnalysisPasses(*PerFunctionPasses);
+      PerFunctionPasses->add(createTargetTransformInfoWrapperPass(getTTI()));
     }
     return PerFunctionPasses;
   }
@@ -547,9 +552,6 @@ bool EmitAssemblyHelper::AddEmitPasses(BackendAction Action,
       createTLII(TargetTriple, CodeGenOpts));
   PM->add(new TargetLibraryInfoWrapperPass(*TLII));
 
-  // Add Target specific analysis passes.
-  TM->addAnalysisPasses(*PM);
-
   // Normal mode, emit a .s or .o file by running the code generator. Note,
   // this also adds codegenerator level optimization passes.
   TargetMachine::CodeGenFileType CGFT = TargetMachine::CGFT_AssemblyFile;