https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489
Bug ID: 86489
Summary: ICE in gimple_phi_arg starting with r261682 when
building 531.deepsjeng_r with FDO + LTO
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: pthaugen at gcc dot gnu.org
CC: dje at gcc dot gnu.org, kugan at gcc dot gnu.org,
segher at gcc dot gnu.org, wschmidt at gcc dot gnu.org
Target Milestone: ---
Host: powerpc64le-unknown-linux-gnu
Target: powerpc64le-unknown-linux-gnu
Build: powerpc64le-unknown-linux-gnu
The patch for pr82479 causes an ICE while building CPU2017 531.deepsjeng_r with
FDO and LTO. The ICE occurs during the link step of the -fprofile-use build.
/home/pthaugen/install/gcc/gcc_hunt/bin/g++ -m64 -O3 -mcpu=power9
-fpeel-loops -funroll-loops -ffast-math -mpopcntd -mrecip -flto -DSPEC_LP64
-m64 -Wl,-q -Wl,-rpath=/home/pthaugen/install/gcc/gcc_hunt/lib64 attacks.o
bitboard.o bits.o board.o draw.o endgame.o epd.o generate.o initp.o make.o
moves.o neval.o pawn.o preproc.o search.o see.o sjeng.o state.o ttable.o
utils.o -o deepsjeng_r
during GIMPLE pass: cunroll
generate.cpp: In function 'gen.constprop':
generate.cpp:159:5: internal compiler error: in gimple_phi_arg, at
gimple.h:4345
int gen(state_t *s, move_s *moves) {
^
0x1013c597 gimple_phi_arg
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gimple.h:4345
0x1013c5f3 gimple_phi_arg
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gimple.h:4345
0x1013c5f3 gimple_phi_arg
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gimple.h:4353
0x10a37607 gimple_phi_arg_def
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gimple.h:4396
0x10a37607 number_of_iterations_popcount
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-niter.c:2559
0x10a37607 number_of_iterations_exit_assumptions(loop*, edge_def*,
tree_niter_desc*, gcond**, bool)
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-niter.c:2364
0x10a392eb number_of_iterations_exit_assumptions(loop*, edge_def*,
tree_niter_desc*, gcond**, bool)
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-niter.c:2611
0x10a392eb number_of_iterations_exit(loop*, edge_def*, tree_niter_desc*, bool,
bool)
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-niter.c:2616
0x10a3985f number_of_iterations_exit(loop*, edge_def*, tree_niter_desc*, bool,
bool)
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/vec.h:884
0x10a3985f estimate_numbers_of_iterations(loop*)
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-niter.c:4100
0x10a3ce73 estimate_numbers_of_iterations(function*)
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-niter.c:4329
0x10a07ec7 tree_unroll_loops_completely
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-ivcanon.c:1452
0x10a08603 execute
/home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/tree-ssa-loop-ivcanon.c:1612
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
