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from 460001de17b 2017-07-28 Richard Biener rguenther@suse.de new 8a0e25c9123 * tree-predcom.c (determine_roots_comp): Skip trivial components. new a481acc56ef * tree-predcom.c (struct chain): New field init_seq. (rel [...] new 3e59c7a7389 * tree-predcom.c (ref_at_iteration): Add parameter NITERS. [...] new fbab3016cdf * tree-predcom.c (initialize_root): Delete. (execute_pred [...] new a652753db56 * tree-predcom.c: Revise general description of the pass. [...]

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Summary of changes: gcc/ChangeLog | 54 +++ gcc/testsuite/ChangeLog | 14 + gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-1.c | 62 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-10.c | 44 ++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-11.c | 51 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-2.c | 62 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c | 108 +++++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-4.c | 61 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-5.c | 63 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-6.c | 65 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-7.c | 63 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-8.c | 60 +++ gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-9.c | 90 ++++ gcc/tree-predcom.c | 562 +++++++++++++++++++++---- 14 files changed, 1286 insertions(+), 73 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-1.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-10.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-11.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-2.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-4.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-5.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-6.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-7.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-8.c create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-9.c