https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87917
Bug ID: 87917 Summary: ICE in initialize_matrix_A at gcc/tree-data-ref.c:3150 Product: gcc Version: 9.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org Target Milestone: --- Following causes ICE: $ arm-linux-gnueabi-gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr34635.c -ftree-loop-distribute-patterns -ftrapv -fno-tree-fre -O2 during GIMPLE pass: ldist /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr34635.c: In function ‘foo’: /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr34635.c:4:6: internal compiler error: in int_cst_value, at tree.c:11385 4 | void foo(int x[]) | ^~~ 0x59cad1 int_cst_value(tree_node const*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree.c:11385 0x112cddc initialize_matrix_A /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:3150 0x112fcd2 initialize_matrix_A /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:3143 0x112fcd2 analyze_subscript_affine_affine /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:3568 0x113632b analyze_miv_subscript /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:4014 0x113632b analyze_overlapping_iterations /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:4120 0x113632b subscript_dependence_tester_1 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:4656 0x1136ac7 subscript_dependence_tester_1 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:4652 0x1136ac7 subscript_dependence_tester /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:4706 0x1136ac7 compute_affine_dependence(data_dependence_relation*, loop*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-data-ref.c:4765 0xab3f61 get_data_dependence /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:1188 0xab4195 data_dep_in_cycle_p /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:1210 0xab4195 update_type_for_merge /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:1255 0xab5b97 build_rdg_partition_for_vertex /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:1302 0xab5b97 rdg_build_partitions /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:1754 0xab5b97 distribute_loop /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:2795 0xab88a0 execute /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/tree-loop-distribution.c:3133