[llvm] r316384 - [PM] Add pgo-memop-opt pass to the new pass manager

[Rong Xu via llvm-commits]

Author: xur
Date: Mon Oct 23 15:21:29 2017
New Revision: 316384

URL: http://llvm.org/viewvc/llvm-project?rev=316384&view=rev
Log:
[PM] Add pgo-memop-opt pass to the new pass manager

This pass adds pgo-memop-opt pass to the new pass manager.
It is in the old pass manager but somehow left out in the new pass manager.

Differential Revision: http://reviews.llvm.org/D39145

Modified:
    llvm/trunk/lib/Passes/PassBuilder.cpp
    llvm/trunk/test/Other/new-pm-pgo.ll

Modified: llvm/trunk/lib/Passes/PassBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Passes/PassBuilder.cpp?rev=316384&r1=316383&r2=316384&view=diff
==============================================================================
--- llvm/trunk/lib/Passes/PassBuilder.cpp (original)
+++ llvm/trunk/lib/Passes/PassBuilder.cpp Mon Oct 23 15:21:29 2017
@@ -362,6 +362,12 @@ PassBuilder::buildFunctionSimplification
 
   invokePeepholeEPCallbacks(FPM, Level);
 
+  // For PGO use pipeline, try to optimize memory intrinsics such as memcpy
+  // using the size value profile. Don't perform this when optimizing for size.
+  if (PGOOpt && !PGOOpt->ProfileUseFile.empty() &&
+      !isOptimizingForSize(Level))
+    FPM.addPass(PGOMemOPSizeOpt());
+
   FPM.addPass(TailCallElimPass());
   FPM.addPass(SimplifyCFGPass());
 

Modified: llvm/trunk/test/Other/new-pm-pgo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Other/new-pm-pgo.ll?rev=316384&r1=316383&r2=316384&view=diff
==============================================================================
--- llvm/trunk/test/Other/new-pm-pgo.ll (original)
+++ llvm/trunk/test/Other/new-pm-pgo.ll Mon Oct 23 15:21:29 2017
@@ -11,6 +11,8 @@
 ;
 ; GEN: Running pass: PGOInstrumentationGen
 ; USE: Running pass: PGOInstrumentationUse
+; USE: Running pass: PGOIndirectCallPromotion
+; USE: Running pass: PGOMemOPSizeOpt
 ; SAMPLE_USE_O: Running pass: ModuleToFunctionPassAdaptor<{{.*}}AddDiscriminatorsPass{{.*}}>
 ; SAMPLE_USE_PRE_LINK: Running pass: ModuleToFunctionPassAdaptor<{{.*}}AddDiscriminatorsPass{{.*}}>
 ; SAMPLE_USE: Running pass: SimplifyCFGPass