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[turbofan] Remove the unused loop peeling stress option.

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Review-Url: https://codereview.chromium.org/2570803002
Cr-Commit-Position: refs/heads/master@{#41675}
This commit is contained in:
jarin 2016-12-13 05:29:13 -08:00 committed by Commit bot
parent dfa2660672
commit a989a11639
2 changed files with 0 additions and 22 deletions
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20
src/compiler/pipeline.cc
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@ -1173,21 +1173,6 @@ struct LateGraphTrimmingPhase {
};
struct StressLoopPeelingPhase {
static const char* phase_name() { return "stress loop peeling"; }
void Run(PipelineData* data, Zone* temp_zone) {
// Peel the first outer loop for testing.
// TODO(titzer): peel all loops? the N'th loop? Innermost loops?
LoopTree* loop_tree = LoopFinder::BuildLoopTree(data->graph(), temp_zone);
if (loop_tree != nullptr && loop_tree->outer_loops().size() > 0) {
LoopPeeler::Peel(data->graph(), data->common(), loop_tree,
loop_tree->outer_loops()[0], temp_zone);
}
}
};
struct ComputeSchedulePhase {
static const char* phase_name() { return "scheduling"; }
@ -1533,11 +1518,6 @@ bool PipelineImpl::CreateGraph() {
RunPrintAndVerify("Loop exits eliminated", true);
}
if (FLAG_turbo_stress_loop_peeling) {
Run<StressLoopPeelingPhase>();
RunPrintAndVerify("Loop peeled");
}
if (!info()->shared_info()->asm_function()) {
if (FLAG_turbo_load_elimination) {
Run<LoadEliminationPhase>();

2
src/flag-definitions.h
View File

@ -460,8 +460,6 @@ DEFINE_BOOL(turbo_verify_allocation, DEBUG_BOOL,
"verify register allocation in TurboFan")
DEFINE_BOOL(turbo_move_optimization, true, "optimize gap moves in TurboFan")
DEFINE_BOOL(turbo_jt, true, "enable jump threading in TurboFan")
DEFINE_BOOL(turbo_stress_loop_peeling, false,
"stress loop peeling optimization")
DEFINE_BOOL(turbo_loop_peeling, true, "Turbofan loop peeling")
DEFINE_BOOL(turbo_loop_variable, true, "Turbofan loop variable optimization")
DEFINE_BOOL(turbo_cf_optimization, true, "optimize control flow in TurboFan")