[CI-NOTIFY]: TCWG Bisect tcwg_bmk_tx1/gnu-release-aarch64-spec2k6-O2 - Build # 17 - Fixed!

3 Aug 2021

Successfully identified regression in *gcc* in CI configuration tcwg_bmk_gnu_tx1/gnu-release-aarch64-spec2k6-O2.  So far, this commit has regressed CI configurations:
 - tcwg_bmk_gnu_tx1/gnu-release-aarch64-spec2k6-O2
Culprit:
<cut>
commit 0b92cf305dcf34387a8e2564e55ca8948df3b47a
Author: Jan Hubicka hubicka@ucw.cz
Date:   Tue Oct 1 18:58:35 2019 +0200
invoke.texi (early-inlining-insns-O2): Document.
* doc/invoke.texi (early-inlining-insns-O2): Document.
            (early-inlining-insns): Update.
            * params.def (early-inlining-insns-O2): New bound.
            (early-inlining-insns): Update docs.
            * ipa-inline.c (want_early_inline_function_p): Use new bound.
* g++.dg/tree-ssa/pr61034.C: Set early-inlining-insns-O2=14.
            * g++.dg/tree-ssa/pr8781.C: Likewise.
            * g++.dg/warn/Wstringop-truncation-1.C: Likewise.
            * gcc.dg/ipa/pr63416.c: likewise.
            * gcc.dg/vect/pr66142.c: Likewise.
            * gcc.dg/tree-ssa/ssa-thread-12.c: Mark compure_idf inline.
From-SVN: r276416
</cut>
Results regressed to (for first_bad == 0b92cf305dcf34387a8e2564e55ca8948df3b47a)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer:
-5
# true:
0
# benchmark -O2 -- artifacts/build-0b92cf305dcf34387a8e2564e55ca8948df3b47a/results_id:
1
# 483.xalancbmk,Xalan_base.default                              regressed by 103
# 447.dealII,[.] _ZSt18_Rb_tree_incrementPKSt18_Rb_tree_node_ba regressed by 1239
from (for last_good == 7552c36afa1f9058bb39f336ae84f019621885a0)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer:
-5
# true:
0
# benchmark -O2 -- artifacts/build-7552c36afa1f9058bb39f336ae84f019621885a0/results_id:
1
Artifacts of last_good build: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...
Results ID of last_good: tx1_64/tcwg_bmk_gnu_tx1/bisect-gnu-release-aarch64-spec2k6-O2/2646
Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...
Results ID of first_bad: tx1_64/tcwg_bmk_gnu_tx1/bisect-gnu-release-aarch64-spec2k6-O2/2640
Build top page/logs: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...
Configuration details:
Reproduce builds:
<cut>
mkdir investigate-gcc-0b92cf305dcf34387a8e2564e55ca8948df3b47a
cd investigate-gcc-0b92cf305dcf34387a8e2564e55ca8948df3b47a
git clone https://git.linaro.org/toolchain/jenkins-scripts
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... --fail
curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... --fail
curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... --fail
chmod +x artifacts/test.sh
# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_bmk-build.sh @@ artifacts/manifests/build-baseline.sh
# Save baseline build state (which is then restored in artifacts/test.sh)
mkdir -p ./bisect
rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /gcc/ ./ ./bisect/baseline/
cd gcc
# Reproduce first_bad build
git checkout --detach 0b92cf305dcf34387a8e2564e55ca8948df3b47a
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 7552c36afa1f9058bb39f336ae84f019621885a0
../artifacts/test.sh
cd ..
</cut>
History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/c...
Artifacts: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...
Build log: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...
Full commit (up to 1000 lines):
<cut>
commit 0b92cf305dcf34387a8e2564e55ca8948df3b47a
Author: Jan Hubicka hubicka@ucw.cz
Date:   Tue Oct 1 18:58:35 2019 +0200
invoke.texi (early-inlining-insns-O2): Document.
* doc/invoke.texi (early-inlining-insns-O2): Document.
            (early-inlining-insns): Update.
            * params.def (early-inlining-insns-O2): New bound.
            (early-inlining-insns): Update docs.
            * ipa-inline.c (want_early_inline_function_p): Use new bound.
* g++.dg/tree-ssa/pr61034.C: Set early-inlining-insns-O2=14.
            * g++.dg/tree-ssa/pr8781.C: Likewise.
            * g++.dg/warn/Wstringop-truncation-1.C: Likewise.
            * gcc.dg/ipa/pr63416.c: likewise.
            * gcc.dg/vect/pr66142.c: Likewise.
            * gcc.dg/tree-ssa/ssa-thread-12.c: Mark compure_idf inline.
From-SVN: r276416
---
 gcc/ChangeLog                                      |  8 ++++++++
 gcc/doc/invoke.texi                                |  8 ++++++++
 gcc/ipa-inline.c                                   | 22 ++++++++++++++--------
 gcc/params.def                                     |  6 +++++-
 gcc/testsuite/ChangeLog                            |  9 +++++++++
 gcc/testsuite/g++.dg/tree-ssa/pr61034.C            |  2 +-
 gcc/testsuite/g++.dg/tree-ssa/pr8781.C             |  2 +-
 gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C |  2 +-
 gcc/testsuite/gcc.dg/ipa/pr63416.c                 |  2 +-
 gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-12.c      |  2 +-
 gcc/testsuite/gcc.dg/vect/pr66142.c                |  2 +-
 11 files changed, 50 insertions(+), 15 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bb4de20ab16..b4c4292c299 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2019-10-01  Jan Hubicka  hubicka@ucw.cz
+
+	* doc/invoke.texi (early-inlining-insns-O2): Document.
+	(early-inlining-insns): Update.
+	* params.def (early-inlining-insns-O2): New bound.
+	(early-inlining-insns): Update docs.
+	* ipa-inline.c (want_early_inline_function_p): Use new bound.
+
 2019-10-01  Oleg Endo  olegendo@gcc.gnu.org
PR target/88562
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 83016a5a8ee..4281ee7c614 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -11291,9 +11291,17 @@ recursion depth can be guessed from the probability that function recurses
 via a given call expression.  This parameter limits inlining only to call
 expressions whose probability exceeds the given threshold (in percents).
+@item early-inlining-insns-O2
+Specify growth that the early inliner can make.  In effect it increases
+the amount of inlining for code having a large abstraction penalty.
+This is applied to functions compiled with @option{-O1} or @option{-O2}
+optimization levels.
+
 @item early-inlining-insns
 Specify growth that the early inliner can make.  In effect it increases
 the amount of inlining for code having a large abstraction penalty.
+This is applied to functions compiled with @option{-O3} or @option{-Ofast}
+optimization levels.
@item max-early-inliner-iterations
 Limit of iterations of the early inliner.  This basically bounds
diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c
index b62d280eb25..c8689c7d9a8 100644
--- a/gcc/ipa-inline.c
+++ b/gcc/ipa-inline.c
@@ -641,6 +641,10 @@ want_early_inline_function_p (struct cgraph_edge *e)
     {
       int growth = estimate_edge_growth (e);
       int n;
+      int early_inlining_insns = opt_for_fn (e->caller->decl, optimize) >= 3
+				 ? PARAM_VALUE (PARAM_EARLY_INLINING_INSNS)
+				 : PARAM_VALUE (PARAM_EARLY_INLINING_INSNS_O2);
+
if (growth <= PARAM_VALUE (PARAM_MAX_INLINE_INSNS_SIZE))
    ;
@@ -654,26 +658,28 @@ want_early_inline_function_p (struct cgraph_edge *e)
    		     growth);
      want_inline = false;
    }
-      else if (growth > PARAM_VALUE (PARAM_EARLY_INLINING_INSNS))
+      else if (growth > early_inlining_insns)
    {
      if (dump_enabled_p ())
        dump_printf_loc (MSG_MISSED_OPTIMIZATION, e->call_stmt,
    		     "  will not early inline: %C->%C, "
-			     "growth %i exceeds --param early-inlining-insns\n",
-			     e->caller, callee,
-			     growth);
+			     "growth %i exceeds --param early-inlining-insns%s\n",
+			     e->caller, callee, growth,
+			     opt_for_fn (e->caller->decl, optimize) >= 3
+			     ? "" : "-O2");
      want_inline = false;
    }
       else if ((n = num_calls (callee)) != 0
-	       && growth * (n + 1) > PARAM_VALUE (PARAM_EARLY_INLINING_INSNS))
+	       && growth * (n + 1) > early_inlining_insns)
    {
      if (dump_enabled_p ())
        dump_printf_loc (MSG_MISSED_OPTIMIZATION, e->call_stmt,
    		     "  will not early inline: %C->%C, "
-			     "growth %i exceeds --param early-inlining-insns "
+			     "growth %i exceeds --param early-inlining-insns%s "
    		     "divided by number of calls\n",
-			     e->caller, callee,
-			     growth);
+			     e->caller, callee, growth,
+			     opt_for_fn (e->caller->decl, optimize) >= 3
+			     ? "" : "-O2");
      want_inline = false;
    }
     }
diff --git a/gcc/params.def b/gcc/params.def
index d2d957fc6b1..0acf29b6c4d 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -233,8 +233,12 @@ DEFPARAM(PARAM_IPCP_UNIT_GROWTH,
     10, 0, 0)
 DEFPARAM(PARAM_EARLY_INLINING_INSNS,
     "early-inlining-insns",
-	 "Maximal estimated growth of function body caused by early inlining of single call.",
+	 "Maximal estimated growth of function body caused by early inlining of single call with -O3 and -Ofast.",
     14, 0, 0)
+DEFPARAM(PARAM_EARLY_INLINING_INSNS_O2,
+	 "early-inlining-insns-O2",
+	 "Maximal estimated growth of function body caused by early inlining of single call with -O1 and -O2.",
+	 6, 0, 0)
 DEFPARAM(PARAM_LARGE_STACK_FRAME,
     "large-stack-frame",
     "The size of stack frame to be considered large.",
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index df6105f3d13..0dcaf4b6292 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2019-10-01  Jan Hubicka  hubicka@ucw.cz
+
+	* g++.dg/tree-ssa/pr61034.C: Set early-inlining-insns-O2=14.
+	* g++.dg/tree-ssa/pr8781.C: Likewise.
+	* g++.dg/warn/Wstringop-truncation-1.C: Likewise.
+	* gcc.dg/ipa/pr63416.c: likewise.
+	* gcc.dg/vect/pr66142.c: Likewise.
+	* gcc.dg/tree-ssa/ssa-thread-12.c: Mark compure_idf inline.
+
 2019-10-01  Jakub Jelinek  jakub@redhat.com
PR c++/91925
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr61034.C b/gcc/testsuite/g++.dg/tree-ssa/pr61034.C
index 870b2372166..2e3dfecacb4 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr61034.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr61034.C
@@ -1,5 +1,5 @@
 // { dg-do compile }
-// { dg-options "-O2 -fdump-tree-fre3 -fdump-tree-optimized -fdelete-null-pointer-checks" }
+// { dg-options "-O2 -fdump-tree-fre3 -fdump-tree-optimized -fdelete-null-pointer-checks --param early-inlining-insns-O2=14" }
#define assume(x) if(!(x))__builtin_unreachable()
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr8781.C b/gcc/testsuite/g++.dg/tree-ssa/pr8781.C
index 1f115b2b26d..5bc1ef03520 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr8781.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr8781.C
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O -fno-tree-sra -fdump-tree-fre1" } */
+/* { dg-options "-O -fno-tree-sra -fdump-tree-fre1 --param early-inlining-insns-O2=14" } */
int f();
diff --git a/gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C b/gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C
index 83066019772..49dde0a65ba 100644
--- a/gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C
+++ b/gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C
@@ -1,7 +1,7 @@
 /* PR/tree-optimization/84480 - bogus -Wstringop-truncation despite
    assignment with an inlined string literal
    { dg-do compile }
-   { dg-options "-O2 -Wstringop-truncation" }  */
+   { dg-options "-O2 -Wstringop-truncation --param early-inlining-insns-O2=14" }  */
#include <string.h>
diff --git a/gcc/testsuite/gcc.dg/ipa/pr63416.c b/gcc/testsuite/gcc.dg/ipa/pr63416.c
index b5374c51fe9..5873954fba3 100644
--- a/gcc/testsuite/gcc.dg/ipa/pr63416.c
+++ b/gcc/testsuite/gcc.dg/ipa/pr63416.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-optimized"  } */
+/* { dg-options "-O2 -fdump-tree-optimized --param early-inlining-insns-O2=14"  } */
 #define _UNUSED_ __attribute__((__unused__))
typedef int TEST_F30 (int *v);
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-12.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-12.c
index 67526762f2c..216de23d791 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-12.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-12.c
@@ -56,7 +56,7 @@ bmp_iter_and_compl (bitmap_iterator * bi, unsigned *bit_no)
 }
extern int VEC_int_base_length (VEC_int_base *);
-bitmap
+inline bitmap
 compute_idf (bitmap def_blocks, bitmap_head * dfs)
 {
   bitmap_iterator bi;
diff --git a/gcc/testsuite/gcc.dg/vect/pr66142.c b/gcc/testsuite/gcc.dg/vect/pr66142.c
index 8c79f290767..a0316f1f01e 100644
--- a/gcc/testsuite/gcc.dg/vect/pr66142.c
+++ b/gcc/testsuite/gcc.dg/vect/pr66142.c
@@ -1,6 +1,6 @@
 /* PR middle-end/66142 */
 /* { dg-do compile } */
-/* { dg-additional-options "-ffast-math -fopenmp-simd" } */
+/* { dg-additional-options "-ffast-math -fopenmp-simd --param early-inlining-insns-O2=14" } */
 /* { dg-additional-options "-mavx" { target avx_runtime } } */
struct A { float x, y; };
</cut>

    

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[CI-NOTIFY]: TCWG Bisect tcwg_bmk_tx1/gnu-release-aarch64-spec2k6-O2 - Build # 17 - Fixed!