[llvm] r358024 - Remove the unit at a time option

[Eric Christopher via llvm-commits]

Author: echristo
Date: Tue Apr  9 11:29:22 2019
New Revision: 358024

URL: http://llvm.org/viewvc/llvm-project?rev=358024&view=rev
Log:
Remove the unit at a time option
Removes the code from opt and the pass manager builder.
The code was unused - even by the C library code that was supposed to set
it and had been removed previously.

Modified:
    llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h
    llvm/trunk/tools/opt/opt.cpp

Modified: llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h?rev=358024&r1=358023&r2=358024&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h (original)
+++ llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h Tue Apr  9 11:29:22 2019
@@ -142,7 +142,6 @@ public:
   const ModuleSummaryIndex *ImportSummary = nullptr;
 
   bool DisableTailCalls;
-  bool DisableUnitAtATime;
   bool DisableUnrollLoops;
   bool SLPVectorize;
   bool LoopVectorize;

Modified: llvm/trunk/tools/opt/opt.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/opt/opt.cpp?rev=358024&r1=358023&r2=358024&view=diff
==============================================================================
--- llvm/trunk/tools/opt/opt.cpp (original)
+++ llvm/trunk/tools/opt/opt.cpp Tue Apr  9 11:29:22 2019
@@ -173,11 +173,6 @@ static cl::opt<std::string>
 TargetTriple("mtriple", cl::desc("Override target triple for module"));
 
 static cl::opt<bool>
-UnitAtATime("funit-at-a-time",
-            cl::desc("Enable IPO. This corresponds to gcc's -funit-at-a-time"),
-            cl::init(true));
-
-static cl::opt<bool>
 DisableLoopUnrolling("disable-loop-unrolling",
                      cl::desc("Disable loop unrolling in all relevant passes"),
                      cl::init(false));
@@ -383,7 +378,6 @@ static void AddOptimizationPasses(legacy
   } else {
     Builder.Inliner = createAlwaysInlinerLegacyPass();
   }
-  Builder.DisableUnitAtATime = !UnitAtATime;
   Builder.DisableUnrollLoops = (DisableLoopUnrolling.getNumOccurrences() > 0) ?
                                DisableLoopUnrolling : OptLevel == 0;