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Remove the EnableEarlyCSEMemSSA set of options from the legacy 

and new pass managers. They were default to true and not being
used.

Differential Revision: https://reviews.llvm.org/D60747

llvm-svn: 358789
This commit is contained in:
Eric Christopher 2019-04-19 22:18:53 +00:00
parent 1810339bc3
commit dfebd84eb3
2 changed files with 2 additions and 10 deletions
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6
llvm/lib/Passes/PassBuilder.cpp
View File

@ -185,10 +185,6 @@ static cl::opt<bool>
cl::Hidden, cl::ZeroOrMore,
cl::desc("Run NewGVN instead of GVN"));
static cl::opt<bool> EnableEarlyCSEMemSSA(
"enable-npm-earlycse-memssa", cl::init(true), cl::Hidden,
cl::desc("Enable the EarlyCSE w/ MemorySSA pass for the new PM (default = on)"));
static cl::opt<bool> EnableGVNHoist(
"enable-npm-gvn-hoist", cl::init(false), cl::Hidden,
cl::desc("Enable the GVN hoisting pass for the new PM (default = off)"));
@ -387,7 +383,7 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level,
FPM.addPass(SROA());
// Catch trivial redundancies
FPM.addPass(EarlyCSEPass(EnableEarlyCSEMemSSA));
FPM.addPass(EarlyCSEPass(true /* Enable mem-ssa. */));
// Hoisting of scalars and load expressions.
if (EnableGVNHoist)

6
llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
View File

@ -115,10 +115,6 @@ static cl::opt<int> PreInlineThreshold(
cl::desc("Control the amount of inlining in pre-instrumentation inliner "
"(default = 75)"));
static cl::opt<bool> EnableEarlyCSEMemSSA(
"enable-earlycse-memssa", cl::init(true), cl::Hidden,
cl::desc("Enable the EarlyCSE w/ MemorySSA pass (default = on)"));
static cl::opt<bool> EnableGVNHoist(
"enable-gvn-hoist", cl::init(false), cl::Hidden,
cl::desc("Enable the GVN hoisting pass (default = off)"));
@ -334,7 +330,7 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
// Start of function pass.
// Break up aggregate allocas, using SSAUpdater.
MPM.add(createSROAPass());
MPM.add(createEarlyCSEPass(EnableEarlyCSEMemSSA)); // Catch trivial redundancies
MPM.add(createEarlyCSEPass(true /* Enable mem-ssa. */)); // Catch trivial redundancies
if (EnableGVNHoist)
MPM.add(createGVNHoistPass());
if (EnableGVNSink) {