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[MemorySSA] Re-enable MemorySSA use.

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Differential Revision: https://reviews.llvm.org/D58311

llvm-svn: 370957
This commit is contained in:
Alina Sbirlea 2019-09-04 19:16:04 +00:00
parent 9319be4cee
commit f8b6cd8d95
6 changed files with 53 additions and 38 deletions
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2
lib/Analysis/MemorySSA.cpp
View File

@ -84,7 +84,7 @@ bool llvm::VerifyMemorySSA = false;
#endif
/// Enables memory ssa as a dependency for loop passes in legacy pass manager.
cl::opt<bool> llvm::EnableMSSALoopDependency(
"enable-mssa-loop-dependency", cl::Hidden, cl::init(false),
"enable-mssa-loop-dependency", cl::Hidden, cl::init(true),
cl::desc("Enable MemorySSA dependency for loop pass manager"));
static cl::opt<bool, true>

4
lib/Transforms/Utils/LoopUtils.cpp
View File

@ -19,6 +19,7 @@
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/MemorySSA.h"
#include "llvm/Analysis/MemorySSAUpdater.h"
#include "llvm/Analysis/MustExecute.h"
#include "llvm/Analysis/ScalarEvolution.h"
@ -170,6 +171,8 @@ void llvm::getLoopAnalysisUsage(AnalysisUsage &AU) {
AU.addPreserved<SCEVAAWrapperPass>();
AU.addRequired<ScalarEvolutionWrapperPass>();
AU.addPreserved<ScalarEvolutionWrapperPass>();
// FIXME: When all loop passes preserve MemorySSA, it can be required and
// preserved here instead of the individual handling in each pass.
}
/// Manually defined generic "LoopPass" dependency initialization. This is used
@ -190,6 +193,7 @@ void llvm::initializeLoopPassPass(PassRegistry &Registry) {
INITIALIZE_PASS_DEPENDENCY(GlobalsAAWrapperPass)
INITIALIZE_PASS_DEPENDENCY(SCEVAAWrapperPass)
INITIALIZE_PASS_DEPENDENCY(ScalarEvolutionWrapperPass)
INITIALIZE_PASS_DEPENDENCY(MemorySSAWrapperPass)
}
/// Create MDNode for input string.

37
test/CodeGen/PowerPC/sms-grp-order.ll
View File

@ -4,25 +4,24 @@
define void @lame_encode_buffer_interleaved() local_unnamed_addr {
; CHECK-LABEL: lame_encode_buffer_interleaved:
; CHECK: # %bb.0:
; CHECK-NEXT: lhz 3, 0(0)
; CHECK-NEXT: li 5, 1
; CHECK-NEXT: sldi 5, 5, 62
; CHECK-NEXT: lhz 4, 0(3)
; CHECK-NEXT: mtctr 5
; CHECK-NEXT: .p2align 5
; CHECK-NEXT: .LBB0_1: #
; CHECK-NEXT: extsh 3, 3
; CHECK-NEXT: extsh 4, 4
; CHECK-NEXT: srawi 3, 3, 1
; CHECK-NEXT: addze 3, 3
; CHECK-NEXT: srawi 4, 4, 1
; CHECK-NEXT: addze 4, 4
; CHECK-NEXT: bdnz .LBB0_1
; CHECK-NEXT: # %bb.2:
; CHECK-NEXT: sth 3, 0(0)
; CHECK-NEXT: sth 4, 0(3)
; CHECK-NEXT: blr
; CHECK: # %bb.0:
; CHECK-NEXT: lha 3, 0(3)
; CHECK-NEXT: li 5, 1
; CHECK-NEXT: sldi 5, 5, 62
; CHECK-NEXT: lhz 4, 0(0)
; CHECK-NEXT: mtctr 5
; CHECK-NEXT: srawi 3, 3, 1
; CHECK-NEXT: addze 3, 3
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_1:
; CHECK-NEXT: extsh 4, 4
; CHECK-NEXT: srawi 4, 4, 1
; CHECK-NEXT: addze 4, 4
; CHECK-NEXT: bdnz .LBB0_1
; CHECK-NEXT: # %bb.2:
; CHECK-NEXT: sth 4, 0(0)
; CHECK-NEXT: sth 3, 0(3)
; CHECK-NEXT: blr
br label %1
1: ; preds = %1, %0

16
test/Other/opt-O2-pipeline.ll
View File

@ -93,12 +93,13 @@
; CHECK-NEXT: Simplify the CFG
; CHECK-NEXT: Reassociate expressions
; CHECK-NEXT: Dominator Tree Construction
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Rotate Loops
@ -153,12 +154,13 @@
; CHECK-NEXT: Phi Values Analysis
; CHECK-NEXT: Memory Dependence Analysis
; CHECK-NEXT: Dead Store Elimination
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Loop Invariant Code Motion
@ -185,12 +187,13 @@
; CHECK-NEXT: FunctionPass Manager
; CHECK-NEXT: Float to int
; CHECK-NEXT: Dominator Tree Construction
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Rotate Loops
@ -246,6 +249,7 @@
; CHECK-NEXT: Lazy Block Frequency Analysis
; CHECK-NEXT: Optimization Remark Emitter
; CHECK-NEXT: Combine redundant instructions
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass

16
test/Other/opt-O3-pipeline.ll
View File

@ -98,12 +98,13 @@
; CHECK-NEXT: Simplify the CFG
; CHECK-NEXT: Reassociate expressions
; CHECK-NEXT: Dominator Tree Construction
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Rotate Loops
@ -158,12 +159,13 @@
; CHECK-NEXT: Phi Values Analysis
; CHECK-NEXT: Memory Dependence Analysis
; CHECK-NEXT: Dead Store Elimination
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Loop Invariant Code Motion
@ -190,12 +192,13 @@
; CHECK-NEXT: FunctionPass Manager
; CHECK-NEXT: Float to int
; CHECK-NEXT: Dominator Tree Construction
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Rotate Loops
@ -251,6 +254,7 @@
; CHECK-NEXT: Lazy Block Frequency Analysis
; CHECK-NEXT: Optimization Remark Emitter
; CHECK-NEXT: Combine redundant instructions
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass

16
test/Other/opt-Os-pipeline.ll
View File

@ -80,12 +80,13 @@
; CHECK-NEXT: Simplify the CFG
; CHECK-NEXT: Reassociate expressions
; CHECK-NEXT: Dominator Tree Construction
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Rotate Loops
@ -140,12 +141,13 @@
; CHECK-NEXT: Phi Values Analysis
; CHECK-NEXT: Memory Dependence Analysis
; CHECK-NEXT: Dead Store Elimination
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Loop Invariant Code Motion
@ -172,12 +174,13 @@
; CHECK-NEXT: FunctionPass Manager
; CHECK-NEXT: Float to int
; CHECK-NEXT: Dominator Tree Construction
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Natural Loop Information
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass
; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
; CHECK-NEXT: Function Alias Analysis Results
; CHECK-NEXT: Scalar Evolution Analysis
; CHECK-NEXT: Loop Pass Manager
; CHECK-NEXT: Rotate Loops
@ -233,6 +236,7 @@
; CHECK-NEXT: Lazy Block Frequency Analysis
; CHECK-NEXT: Optimization Remark Emitter
; CHECK-NEXT: Combine redundant instructions
; CHECK-NEXT: Memory SSA
; CHECK-NEXT: Canonicalize natural loops
; CHECK-NEXT: LCSSA Verifier
; CHECK-NEXT: Loop-Closed SSA Form Pass