[PM] Separate the TargetLibraryInfo object from the immutable pass.

[oota-llvm.git] / tools / llc / llc.cpp

diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 4157d3fe5adb762086744c7824bcfd343d8c41b4..671f82b120e116fab2b514ccf481bb8aa8dc1246 100644 (file)
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -15,6 +15,7 @@
 
 
 #include "llvm/ADT/Triple.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
 #include "llvm/CodeGen/LinkAllCodegenComponents.h"
@@ -39,7 +40,6 @@
 #include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Target/TargetLibraryInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <memory>
@@ -271,10 +271,10 @@ static int compileModule(char **argv, LLVMContext &Context) {
   Options.MCOptions.MCUseDwarfDirectory = EnableDwarfDirectory;
   Options.MCOptions.AsmVerbose = AsmVerbose;
 
-  std::unique_ptr<TargetMachine> target(
+  std::unique_ptr<TargetMachine> Target(
       TheTarget->createTargetMachine(TheTriple.getTriple(), MCPU, FeaturesStr,
                                      Options, RelocModel, CMModel, OLvl));
-  assert(target.get() && "Could not allocate target machine!");
+  assert(Target && "Could not allocate target machine!");
 
   // If we don't have a module then just exit now. We do this down
   // here since the CPU/Feature help is underneath the target machine
@@ -283,27 +283,28 @@ static int compileModule(char **argv, LLVMContext &Context) {
     return 0;
 
   assert(M && "Should have exited if we didn't have a module!");
-  TargetMachine &Target = *target.get();
 
   if (GenerateSoftFloatCalls)
     FloatABIForCalls = FloatABI::Soft;
 
   // Figure out where we are going to send the output.
-  std::unique_ptr<tool_output_file> Out(
-      GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
+  std::unique_ptr<tool_output_file> Out =
+      GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]);
   if (!Out) return 1;
 
   // Build up all of the passes that we want to do to the module.
   PassManager PM;
 
   // Add an appropriate TargetLibraryInfo pass for the module's triple.
-  TargetLibraryInfo *TLI = new TargetLibraryInfo(TheTriple);
+  TargetLibraryInfo TLI(Triple(M->getTargetTriple()));
+
+  // The -disable-simplify-libcalls flag actually disables all builtin optzns.
   if (DisableSimplifyLibCalls)
-    TLI->disableAllFunctions();
-  PM.add(TLI);
+    TLI.disableAllFunctions();
+  PM.add(new TargetLibraryInfoWrapperPass(TLI));
 
   // Add the target data from the target machine, if it exists, or the module.
-  if (const DataLayout *DL = Target.getSubtargetImpl()->getDataLayout())
+  if (const DataLayout *DL = Target->getSubtargetImpl()->getDataLayout())
     M->setDataLayout(DL);
   PM.add(new DataLayoutPass());
 
@@ -336,8 +337,8 @@ static int compileModule(char **argv, LLVMContext &Context) {
     }
 
     // Ask the target to add backend passes as necessary.
-    if (Target.addPassesToEmitFile(PM, FOS, FileType, NoVerify,
-                                   StartAfterID, StopAfterID)) {
+    if (Target->addPassesToEmitFile(PM, FOS, FileType, NoVerify,
+                                    StartAfterID, StopAfterID)) {
       errs() << argv[0] << ": target does not support generation of this"
              << " file type!\n";
       return 1;