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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.

llvm-svn: 358024
This commit is contained in:
Eric Christopher 2019-04-09 18:29:22 +00:00
parent 19f52bde59
commit 202c9b99e0
2 changed files with 0 additions and 7 deletions
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1
llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
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@ -142,7 +142,6 @@ public:
const ModuleSummaryIndex *ImportSummary = nullptr; const ModuleSummaryIndex *ImportSummary = nullptr;
bool DisableTailCalls; bool DisableTailCalls;
bool DisableUnitAtATime;
bool DisableUnrollLoops; bool DisableUnrollLoops;
bool SLPVectorize; bool SLPVectorize;
bool LoopVectorize; bool LoopVectorize;

6
llvm/tools/opt/opt.cpp
View File

@ -172,11 +172,6 @@ CodeGenOptLevel("codegen-opt-level",
static cl::opt<std::string> static cl::opt<std::string>
TargetTriple("mtriple", cl::desc("Override target triple for module")); 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> static cl::opt<bool>
DisableLoopUnrolling("disable-loop-unrolling", DisableLoopUnrolling("disable-loop-unrolling",
cl::desc("Disable loop unrolling in all relevant passes"), cl::desc("Disable loop unrolling in all relevant passes"),
@ -383,7 +378,6 @@ static void AddOptimizationPasses(legacy::PassManagerBase &MPM,
} else { } else {
Builder.Inliner = createAlwaysInlinerLegacyPass(); Builder.Inliner = createAlwaysInlinerLegacyPass();
} }
Builder.DisableUnitAtATime = !UnitAtATime;
Builder.DisableUnrollLoops = (DisableLoopUnrolling.getNumOccurrences() > 0) ? Builder.DisableUnrollLoops = (DisableLoopUnrolling.getNumOccurrences() > 0) ?
DisableLoopUnrolling : OptLevel == 0; DisableLoopUnrolling : OptLevel == 0;