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[NPM] Add -enable-loopinterchange option to NPM

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We have the `enable-loopinterchange` option in legacy pass manager but not in NPM.
Add `LoopInterchange` pass to the optimization pipeline (at the same position as before)
when `enable-loopinterchange` is turned on.

Reviewed By: aeubanks, fhahn

Differential Revision: https://reviews.llvm.org/D98116
This commit is contained in:
Ta-Wei Tu 2021-03-07 02:37:54 +08:00
parent 3600c78d3c
commit 87e3ae17fd
2 changed files with 11 additions and 2 deletions
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9
lib/Passes/PassBuilder.cpp
View File

@ -301,6 +301,7 @@ extern cl::opt<bool> EnableHotColdSplit;
extern cl::opt<bool> EnableIROutliner;
extern cl::opt<bool> EnableOrderFileInstrumentation;
extern cl::opt<bool> EnableCHR;
extern cl::opt<bool> EnableLoopInterchange;
extern cl::opt<bool> EnableUnrollAndJam;
extern cl::opt<bool> EnableLoopFlatten;
extern cl::opt<bool> RunNewGVN;
@ -582,6 +583,10 @@ PassBuilder::buildO1FunctionSimplificationPipeline(OptimizationLevel Level,
C(LPM2, Level);
LPM2.addPass(LoopDeletionPass());
if (EnableLoopInterchange)
LPM2.addPass(LoopInterchangePass());
// Do not enable unrolling in PreLinkThinLTO phase during sample PGO
// because it changes IR to makes profile annotation in back compile
// inaccurate. The normal unroller doesn't pay attention to forced full unroll
@ -748,6 +753,10 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level,
C(LPM2, Level);
LPM2.addPass(LoopDeletionPass());
if (EnableLoopInterchange)
LPM2.addPass(LoopInterchangePass());
// Do not enable unrolling in PreLinkThinLTO phase during sample PGO
// because it changes IR to makes profile annotation in back compile
// inaccurate. The normal unroller doesn't pay attention to forced full unroll

4
lib/Transforms/IPO/PassManagerBuilder.cpp
View File

@ -84,9 +84,9 @@ static cl::opt<::CFLAAType>
clEnumValN(::CFLAAType::Both, "both",
"Enable both variants of CFL-AA")));
static cl::opt<bool> EnableLoopInterchange(
cl::opt<bool> EnableLoopInterchange(
"enable-loopinterchange", cl::init(false), cl::Hidden,
cl::desc("Enable the new, experimental LoopInterchange Pass"));
cl::desc("Enable the experimental LoopInterchange Pass"));
cl::opt<bool> EnableUnrollAndJam("enable-unroll-and-jam", cl::init(false),
cl::Hidden,