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[GVNHoist] Re-enable GVNHoist by default

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Turn GVNHoist back on by default now that PR32153 has been fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299944 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Geoff Berry 2017-04-11 14:36:30 +00:00
parent 020cbfba48
commit 22bc776233
2 changed files with 4 additions and 3 deletions
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6
lib/Transforms/IPO/PassManagerBuilder.cpp
View File

@ -137,8 +137,8 @@ static cl::opt<int> PreInlineThreshold(
"(default = 75)"));
static cl::opt<bool> EnableGVNHoist(
"enable-gvn-hoist", cl::init(false), cl::Hidden,
cl::desc("Enable the GVN hoisting pass"));
"enable-gvn-hoist", cl::init(true), cl::Hidden,
cl::desc("Enable the GVN hoisting pass (default = on)"));
static cl::opt<bool>
DisableLibCallsShrinkWrap("disable-libcalls-shrinkwrap", cl::init(false),
@ -245,7 +245,7 @@ void PassManagerBuilder::populateFunctionPassManager(
FPM.add(createCFGSimplificationPass());
FPM.add(createSROAPass());
FPM.add(createEarlyCSEPass());
if(EnableGVNHoist)
if (EnableGVNHoist)
FPM.add(createGVNHoistPass());
FPM.add(createLowerExpectIntrinsicPass());
}

1
test/Feature/optnone-opt.ll
View File

@ -41,6 +41,7 @@ attributes #0 = { optnone noinline }
; OPT-O1-DAG: Skipping pass 'Combine redundant instructions'
; OPT-O1-DAG: Skipping pass 'Dead Store Elimination'
; OPT-O1-DAG: Skipping pass 'Early CSE'
; OPT-O1-DAG: Skipping pass 'Early GVN Hoisting of Expressions'
; OPT-O1-DAG: Skipping pass 'Jump Threading'
; OPT-O1-DAG: Skipping pass 'MemCpy Optimization'
; OPT-O1-DAG: Skipping pass 'Reassociate expressions'