forked from OSchip/llvm-project
92 lines
3.8 KiB
LLVM
92 lines
3.8 KiB
LLVM
; RUN: opt -enable-new-pm=0 -O1 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O1
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; RUN: opt -enable-new-pm=0 -O2 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefixes=OLDPM_O2
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; RUN: opt -enable-new-pm=0 -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 -enable-new-pm=0 -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 -enable-new-pm=0 -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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; RUN: opt -disable-verify -debug-pass-manager -passes='default<O2>' -extra-vectorizer-passes -S %s 2>&1 | FileCheck %s --check-prefixes=NEWPM_O2_EXTRA
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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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; NEWPM_O2_EXTRA-LABEL: Running pass: LoopVectorizePass
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; NEWPM_O2_EXTRA: Running pass: EarlyCSEPass
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; NEWPM_O2_EXTRA: Running pass: CorrelatedValuePropagationPass
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; NEWPM_O2_EXTRA: Running pass: InstCombinePass
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; NEWPM_O2_EXTRA: Running pass: LICMPass
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; NEWPM_O2_EXTRA: Running pass: SimpleLoopUnswitchPass
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; NEWPM_O2_EXTRA: Running pass: SimplifyCFGPass
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; NEWPM_O2_EXTRA: Running pass: InstCombinePass
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; NEWPM_O2_EXTRA: Running pass: SLPVectorizerPass
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; NEWPM_O2_EXTRA: Running pass: EarlyCSEPass
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; NEWPM_O2_EXTRA: Running pass: VectorCombinePass
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define i64 @f(i1 %cond) {
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entry:
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br label %loop
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loop:
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%i = phi i64 [ 0, %entry ], [ %inc, %loop ]
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%inc = add i64 %i, 1
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br i1 %cond, label %loop, label %exit
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exit:
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ret i64 %i
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}
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