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0a4fe71f16
As noted in D80236 - the early-cse pass was included here before: D75145 / rG71a316883d50 But it got moved outside of the "extra" option there, then it got dropped while adjusting -vector-combine: rG6438ea45e053 rG57bb4787d72f So this is restoring the behavior and adding a test to prevent accidental changes again. I don't see an equivalent option for the new pass manager.
70 lines
2.9 KiB
LLVM
70 lines
2.9 KiB
LLVM
; RUN: opt -O1 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O1
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; RUN: opt -O2 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O2
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; RUN: opt -O2 -extra-vectorizer-passes -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O2_EXTRA
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; RUN: opt -O1 -vectorize-loops=0 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O1_FORCE_OFF
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; RUN: opt -O2 -vectorize-loops=0 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O2_FORCE_OFF
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; RUN: opt -disable-verify -debug-pass-manager -passes='default<O1>' -S %s 2>&1 | FileCheck %s --check-prefixes=NEWPM_O1
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; RUN: opt -disable-verify -debug-pass-manager -passes='default<O2>' -S %s 2>&1 | FileCheck %s --check-prefixes=NEWPM_O2
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; REQUIRES: asserts
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; SLP does not run at -O1. Loop vectorization runs, but it only
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; works on loops explicitly annotated with pragmas.
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; OLDPM_O1-LABEL: Pass Arguments:
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; OLDPM_O1: Loop Vectorization
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; OLDPM_O1-NOT: SLP Vectorizer
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; OLDPM_O1: Optimize scalar/vector ops
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; Everything runs at -O2.
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; OLDPM_O2-LABEL: Pass Arguments:
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; OLDPM_O2: Loop Vectorization
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; OLDPM_O2: SLP Vectorizer
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; OLDPM_O2: Optimize scalar/vector ops
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; Optionally run cleanup passes.
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; OLDPM_O2_EXTRA-LABEL: Pass Arguments:
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; OLDPM_O2_EXTRA: Loop Vectorization
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; OLDPM_O2_EXTRA: Early CSE
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; OLDPM_O2_EXTRA: Value Propagation
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; OLDPM_O2_EXTRA: Combine redundant instructions
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; OLDPM_O2_EXTRA: Loop Invariant Code Motion
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; OLDPM_O2_EXTRA: Unswitch loops
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; OLDPM_O2_EXTRA: Simplify the CFG
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; OLDPM_O2_EXTRA: Combine redundant instructions
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; OLDPM_O2_EXTRA: SLP Vectorizer
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; OLDPM_O2_EXTRA: Early CSE
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; OLDPM_O2_EXTRA: Optimize scalar/vector ops
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; The loop vectorizer still runs at both -O1/-O2 even with the
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; debug flag, but it only works on loops explicitly annotated
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; with pragmas.
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; OLDPM_O1_FORCE_OFF-LABEL: Pass Arguments:
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; OLDPM_O1_FORCE_OFF: Loop Vectorization
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; OLDPM_O1_FORCE_OFF-NOT: SLP Vectorizer
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; OLDPM_O1_FORCE_OFF: Optimize scalar/vector ops
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; OLDPM_O2_FORCE_OFF-LABEL: Pass Arguments:
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; OLDPM_O2_FORCE_OFF: Loop Vectorization
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; OLDPM_O2_FORCE_OFF: SLP Vectorizer
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; OLDPM_O2_FORCE_OFF: Optimize scalar/vector ops
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; There should be no difference with the new pass manager.
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; This is tested more thoroughly in other test files.
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; NEWPM_O1-LABEL: Running pass: LoopVectorizePass
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; NEWPM_O1-NOT: Running pass: SLPVectorizerPass
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; NEWPM_O1: Running pass: VectorCombinePass
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; NEWPM_O2-LABEL: Running pass: LoopVectorizePass
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; NEWPM_O2: Running pass: SLPVectorizerPass
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; NEWPM_O2: Running pass: VectorCombinePass
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define void @f() {
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ret void
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}
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