Johannes Doerfert jdoerfert
jdoerfert
/ scc_2dead.ll
Last active
August 2, 2020 00:05
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| define internal void @dead() { | |
| call void @caller() | |
| ret void | |
| } | |
| define internal void @test() { | |
| br i1 true, label %live, label %dead | |
| live: | |
| ret void | |
| dead: |
jdoerfert
/ loop_impl.c
Created
February 25, 2020 16:23
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| enum class BindKind { | |
| teams, | |
| parallel, | |
| thread, | |
| }; | |
| typedef void (*body_t)(int); | |
| void loop_init_teams(int lb, int ub, body_t body, bool HasInnerLoop) { | |
| if (HasInnerLoop) { |
jdoerfert
/ poster_out.ll
Last active
October 17, 2019 21:54
./bin/opt -attributor --attributor-disable=false poster.ll -S
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| ; ModuleID = 'poster.ll' | |
| source_filename = "poster.ll" | |
| @G = common global i32 0 | |
| ; Function Attrs: nofree nosync nounwind willreturn writeonly | |
| define internal i32 @local(i32* nocapture nonnull writeonly align 32 dereferenceable(4) %P) #0 { | |
| store i32 41, i32* %P, align 32 | |
| br label %end |
jdoerfert
/ gist:d0b28b07126932d1c24efcca50007712
Created
October 17, 2019 03:34
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| 0) hto_coverage_annotate_1/stats/outputDVpD5Z.json.stats vs hto_coverage_plain_0/stats | |
| 1) hto_coverage_plain_0/outputlxxkfx.json.stats vs hto_coverage_fastbuild_2/outputrAYVKh.json.stats | |
| CHANGED: adce NumRemoved 9144 -> |
jdoerfert
/ dep_graph.py
Created
October 16, 2019 18:44
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| # Run grep -E 'class|struct AA|public AA|private AA|getAAFor|AAReturnedFromReturnedValues|AACallSiteReturnedFromReturned|MustBeExecutedContext|AAArgumentFromCallSiteArguments' llvm/lib/Transforms/IPO/Attributor.cpp &>! /tmp/dep_graph_inp | |
| # Filter the first lines untill you hit AANoUnwind and the onies after AAMemoryBehaviorCallSite manually or put two comments in the source like: "// AA HERE" | |
| # Filter the two occurences of getAAFor in front of AANonNull that are otherwise associated with AANoFree | |
| # run the python scrip like: | |
| # python dep_Graph.py /tmp/dep_graph_inp /tmp/dep_graph.dot | |
| import sys | |
| import re | |
| import os |
jdoerfert
/ gist:412258b11aa99c9c8eb6835563e71363
Created
October 15, 2019 16:34
struct/class definitions and getAAfor calls the issue
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| struct AANoUnwindImpl : AANoUnwind { | |
| A.getAAFor<AANoUnwind>(*this, IRPosition::callsite_function(ICS)); | |
| struct AANoUnwindFunction final : public AANoUnwindImpl { | |
| struct AANoUnwindCallSite final : AANoUnwindImpl { | |
| auto &FnAA = A.getAAFor<AANoUnwind>(*this, FnPos); | |
| class AAReturnedValuesImpl : public AAReturnedValues, public AbstractState { | |
| const auto &RetValAA = A.getAAFor<AAReturnedValues>( | |
| struct AAReturnedValuesFunction final : public AAReturnedValuesImpl { | |
| struct AAReturnedValuesCallSite final : AAReturnedValuesImpl { |
jdoerfert
/ gist:52dbe9e6e823e52854def6d66bd13408
Created
August 6, 2019 20:12
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| // header.h | |
| struct Base { | |
| virtual void foo() {} | |
| }; | |
| template<typename A> | |
| struct S : public Base{ | |
| virtual void foo(); | |
| }; |
jdoerfert
/ Deep Wrapper stats
Created
June 14, 2019 06:34
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| CHANGED: SLP NumVectorInstructions 28566 -> 30799 ( +7.817%) | |
| CHANGED: adce NumBranchesRemoved 560 -> 1512 ( +170.000%) | |
| CHANGED: adce NumRemoved 2198 -> 9096 ( +313.831%) | |
| CHANGED: argpromotion NumAggregatesPromoted 1446 -> 16870 ( +1066.667%) | |
| CHANGED: argpromotion NumArgumentsDead 10 -> 7308 (+72980.000%) | |
| CHANGED: argpromotion NumArgumentsPromoted 60 -> 1810 ( +2916.667%) | |
| CHANGED: argpromotion NumByValArgsPromoted 14 -> 27 ( +92.857%) | |
| CHANGED: asm-printer EmittedInsts 5779646 -> 5717497 ( -1.075%) | |
| CHANGED: assembler EmittedAlignFragments 259544 -> 252360 ( -2.768%) | |
| CHANGED: assembler |
jdoerfert
/ Shallow Wrapper impact
Created
June 14, 2019 05:31
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| CHANGED: adce NumBranchesRemoved 560 -> 538 ( -3.929%) | |
| CHANGED: argpromotion NumAggregatesPromoted 1446 -> 16305 ( +1027.593%) | |
| CHANGED: argpromotion NumArgumentsDead 10 -> 8073 (+80630.000%) | |
| CHANGED: argpromotion NumArgumentsPromoted 60 -> 1785 ( +2875.000%) | |
| CHANGED: argpromotion NumByValArgsPromoted 14 -> 27 ( +92.857%) | |
| CHANGED: attributor NumAttributesManifested 30076 -> 133400 ( +343.543%) | |
| CHANGED: attributor NumAttributesValidFixpoint 60246 -> 210087 ( +248.715%) | |
| ADDED: attributor NumAttrsRequiredDeepWrapper n/a -> 22256 | |
| CHANGED: attributor NumFnArgumentNoCapture 29011 -> 111490 ( +284.303%) | |
| CHANGED: attributor N |
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| #include <stdio.h> | |
| int main() { | |
| for (int i = 0; i < 1000; ++i) { | |
| int Count = 0; | |
| #pragma omp target parallel for reduction(+: Count) schedule(dynamic, 2) num_threads(64) | |
| for (int J = 0; J < 1000; ++J) { | |
| Count += J; | |
| } |
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