From: Chandler Carruth <chandlerc@gmail.com>
Date: Sat, 31 Jan 2015 11:18:46 +0000 (+0000)
Subject: [PM] Update Clang for the new LLVM API in r227685 for managing the
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=80084529c667ef6bb1a12dd09ec98842838ba498;p=clang

[PM] Update Clang for the new LLVM API in r227685 for managing the
TargetTransformInfo, and unify the code in a single place.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@227686 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 702383572c..6df34af86e 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/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;