[llvm-branch-commits] [llvm-branch] r83130 - in /llvm/branches/Apple/Leela: include/llvm/Target/TargetSubtarget.h lib/CodeGen/LLVMTargetMachine.cpp lib/CodeGen/PostRASchedulerList.cpp lib/Target/ARM/ARM.td lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/ARMSubtarget.h test/CodeGen/ARM/2009-08-21-PostRAKill.ll test/CodeGen/ARM/2009-08-21-PostRAKill2.ll test/CodeGen/ARM/2009-08-21-PostRAKill3.ll test/CodeGen/ARM/2009-08-21-PostRAKill4.ll test/CodeGen/ARM/2009-09-01-PostRAProlog.ll

Bob Wilson bob.wilson at apple.com
Tue Sep 29 17:29:38 PDT 2009


Author: bwilson
Date: Tue Sep 29 19:29:38 2009
New Revision: 83130

URL: http://llvm.org/viewvc/llvm-project?rev=83130&view=rev
Log:
$ svn merge -c 83122 https://bwilson@llvm.org/svn/llvm-project/llvm/trunk
--- Merging r83122 into '.':
U    test/CodeGen/ARM/2009-08-21-PostRAKill3.ll
U    test/CodeGen/ARM/2009-08-21-PostRAKill4.ll
U    test/CodeGen/ARM/2009-08-21-PostRAKill.ll
U    test/CodeGen/ARM/2009-09-01-PostRAProlog.ll
U    test/CodeGen/ARM/2009-08-21-PostRAKill2.ll
U    include/llvm/Target/TargetSubtarget.h
U    lib/Target/ARM/ARMSubtarget.cpp
U    lib/Target/ARM/ARM.td
U    lib/Target/ARM/ARMSubtarget.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/PostRASchedulerList.cpp

Modified:
    llvm/branches/Apple/Leela/include/llvm/Target/TargetSubtarget.h
    llvm/branches/Apple/Leela/lib/CodeGen/LLVMTargetMachine.cpp
    llvm/branches/Apple/Leela/lib/CodeGen/PostRASchedulerList.cpp
    llvm/branches/Apple/Leela/lib/Target/ARM/ARM.td
    llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.cpp
    llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.h
    llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill.ll
    llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill2.ll
    llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill3.ll
    llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill4.ll
    llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-09-01-PostRAProlog.ll

Modified: llvm/branches/Apple/Leela/include/llvm/Target/TargetSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/include/llvm/Target/TargetSubtarget.h?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/include/llvm/Target/TargetSubtarget.h (original)
+++ llvm/branches/Apple/Leela/include/llvm/Target/TargetSubtarget.h Tue Sep 29 19:29:38 2009
@@ -39,10 +39,14 @@
   /// should be attempted.
   virtual unsigned getSpecialAddressLatency() const { return 0; }
 
+  // enablePostRAScheduler - Return true to enable
+  // post-register-allocation scheduling.
+  virtual bool enablePostRAScheduler() const { return false; }
+
   // adjustSchedDependency - Perform target specific adjustments to
   // the latency of a schedule dependency.
   virtual void adjustSchedDependency(SUnit *def, SUnit *use, 
-                                     SDep& dep) const { };
+                                     SDep& dep) const { }
 };
 
 } // End llvm namespace

Modified: llvm/branches/Apple/Leela/lib/CodeGen/LLVMTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/lib/CodeGen/LLVMTargetMachine.cpp?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/lib/CodeGen/LLVMTargetMachine.cpp (original)
+++ llvm/branches/Apple/Leela/lib/CodeGen/LLVMTargetMachine.cpp Tue Sep 29 19:29:38 2009
@@ -43,14 +43,6 @@
     cl::desc("Verify generated machine code"),
     cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=NULL));
 
-// This is not enabled by default due to 1) high compile time cost, 2) it's not
-// beneficial to all targets. The plan is to let targets decide whether this
-// is enabled.
-static cl::opt<bool>
-EnablePostRAScheduler("post-RA-scheduler",
-                       cl::desc("Enable scheduling after register allocation"),
-                       cl::init(false));
-
 // Enable or disable FastISel. Both options are needed, because
 // FastISel is enabled by default with -fast, and we wish to be
 // able to enable or disable fast-isel independently from -O0.
@@ -321,7 +313,7 @@
   printAndVerify(PM);
 
   // Second pass scheduler.
-  if (OptLevel != CodeGenOpt::None && EnablePostRAScheduler) {
+  if (OptLevel != CodeGenOpt::None) {
     PM.add(createPostRAScheduler());
     printAndVerify(PM);
   }

Modified: llvm/branches/Apple/Leela/lib/CodeGen/PostRASchedulerList.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/lib/CodeGen/PostRASchedulerList.cpp?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/lib/CodeGen/PostRASchedulerList.cpp (original)
+++ llvm/branches/Apple/Leela/lib/CodeGen/PostRASchedulerList.cpp Tue Sep 29 19:29:38 2009
@@ -34,6 +34,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtarget.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -209,6 +210,11 @@
 }
 
 bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
+  // Check that post-RA scheduling is enabled for this function
+  const TargetSubtarget &ST = Fn.getTarget().getSubtarget<TargetSubtarget>();
+  if (!ST.enablePostRAScheduler())
+    return true;
+
   DEBUG(errs() << "PostRAScheduler\n");
 
   const MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();

Modified: llvm/branches/Apple/Leela/lib/Target/ARM/ARM.td
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/lib/Target/ARM/ARM.td?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/lib/Target/ARM/ARM.td (original)
+++ llvm/branches/Apple/Leela/lib/Target/ARM/ARM.td Tue Sep 29 19:29:38 2009
@@ -43,6 +43,9 @@
 def FeatureNEONFP : SubtargetFeature<"neonfp", "UseNEONForSinglePrecisionFP",
                                      "true",
                                      "Use NEON for single-precision FP">;
+def FeaturePostRASched : SubtargetFeature<"postrasched", "PostRAScheduler",
+                                     "true",
+                                     "Use Post-Register-Allocation Scheduler">;
 
 //===----------------------------------------------------------------------===//
 // ARM Processors supported.
@@ -105,7 +108,8 @@
 
 // V7 Processors.
 def : Processor<"cortex-a8",        CortexA8Itineraries,
-                [ArchV7A, FeatureThumb2, FeatureNEON, FeatureNEONFP]>;
+                [ArchV7A, FeatureThumb2, FeatureNEON, FeatureNEONFP,
+                 FeaturePostRASched]>;
 def : ProcNoItin<"cortex-a9",       [ArchV7A, FeatureThumb2, FeatureNEON]>;
 
 //===----------------------------------------------------------------------===//

Modified: llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.cpp?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.cpp (original)
+++ llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.cpp Tue Sep 29 19:29:38 2009
@@ -29,6 +29,7 @@
   , UseNEONForSinglePrecisionFP(false)
   , IsThumb(isThumb)
   , ThumbMode(Thumb1)
+  , PostRAScheduler(false)
   , IsR9Reserved(ReserveR9)
   , stackAlignment(4)
   , CPUString("generic")

Modified: llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.h?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.h (original)
+++ llvm/branches/Apple/Leela/lib/Target/ARM/ARMSubtarget.h Tue Sep 29 19:29:38 2009
@@ -55,6 +55,9 @@
   /// ThumbMode - Indicates supported Thumb version.
   ThumbTypeEnum ThumbMode;
 
+  /// PostRAScheduler - True if using post-register-allocation scheduler.
+  bool PostRAScheduler;
+
   /// IsR9Reserved - True if R9 is a not available as general purpose register.
   bool IsR9Reserved;
 
@@ -122,6 +125,10 @@
   bool isR9Reserved() const { return IsR9Reserved; }
 
   const std::string & getCPUString() const { return CPUString; }
+  
+  /// enablePostRAScheduler - From TargetSubtarget, return true to
+  /// enable post-RA scheduler.
+  bool enablePostRAScheduler() const { return PostRAScheduler; }
 
   /// getInstrItins - Return the instruction itineraies based on subtarget
   /// selection.

Modified: llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill.ll?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill.ll Tue Sep 29 19:29:38 2009
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm -mattr=+vfp2 -mcpu=cortex-a8 -post-RA-scheduler
+; RUN: llc < %s -march=arm -mattr=+vfp2,+postrasched -mcpu=cortex-a8
 
 ; ModuleID = '<stdin>'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"

Modified: llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill2.ll?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill2.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill2.ll Tue Sep 29 19:29:38 2009
@@ -1,4 +1,4 @@
-; RUN: llc < %s -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -post-RA-scheduler
+; RUN: llc < %s -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -mattr=+postrasched
 
 ; ModuleID = '<stdin>'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"

Modified: llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill3.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill3.ll?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill3.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill3.ll Tue Sep 29 19:29:38 2009
@@ -1,4 +1,4 @@
-; RUN: llc < %s -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -post-RA-scheduler
+; RUN: llc < %s -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -mattr=+postrasched
 
 ; ModuleID = '<stdin>'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"

Modified: llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill4.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill4.ll?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill4.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-08-21-PostRAKill4.ll Tue Sep 29 19:29:38 2009
@@ -1,4 +1,4 @@
-; RUN: llc < %s -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -post-RA-scheduler
+; RUN: llc < %s -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -mattr=+postrasched
 
 ; ModuleID = '<stdin>'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"

Modified: llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-09-01-PostRAProlog.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-09-01-PostRAProlog.ll?rev=83130&r1=83129&r2=83130&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-09-01-PostRAProlog.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/ARM/2009-09-01-PostRAProlog.ll Tue Sep 29 19:29:38 2009
@@ -1,5 +1,5 @@
 ; XFAIL: *
-; RUN: llvm-as < %s | llc -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -post-RA-scheduler | FileCheck %s
+; RUN: llvm-as < %s | llc -asm-verbose=false -O3 -relocation-model=pic -disable-fp-elim -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -mattr=+postrasched | FileCheck %s
 
 
 ; ModuleID = '<stdin>'





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