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| author | Richard Biener <rguenther@suse.de> | 2016-11-11 12:54:25 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-11-11 12:54:25 +0000 |
| commit | 4b7e0c7668b2893a800289164f2c6b575a3e00da (patch) | |
| tree | c3442494d69e70cb0f6bc74afd30646f8f842e9c | |
| parent | d07f8c591acf1ed2f99873464093b8729a8da0f2 (diff) | |
| download | gcc-4b7e0c7668b2893a800289164f2c6b575a3e00da.zip gcc-4b7e0c7668b2893a800289164f2c6b575a3e00da.tar.gz gcc-4b7e0c7668b2893a800289164f2c6b575a3e00da.tar.bz2 | |
re PR tree-optimization/71575 ([graphite] internal compiler error: in copy_cond_phi_nodes, at graphite-isl-ast-to-gimple.c:2500)
2016-11-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/71575
* graphite-isl-ast-to-gimple.c (copy_cond_phi_nodes): Remove
bogus assert.
* gcc.dg/graphite/pr71575-1.c: New testcase.
* gcc.dg/graphite/pr71575-2.c: Likewise.
From-SVN: r242069
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/graphite-isl-ast-to-gimple.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/graphite/pr71575-1.c | 22 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/graphite/pr71575-2.c | 16 |
5 files changed, 50 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5ca356d..5c0f897 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2016-11-11 Richard Biener <rguenther@suse.de> + PR tree-optimization/71575 + * graphite-isl-ast-to-gimple.c (copy_cond_phi_nodes): Remove + bogus assert. + +2016-11-11 Richard Biener <rguenther@suse.de> + PR middle-end/78295 * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn about uninitialized destination arg of BIT_INSERT_EXPR. diff --git a/gcc/graphite-isl-ast-to-gimple.c b/gcc/graphite-isl-ast-to-gimple.c index 0eb564a..209eada 100644 --- a/gcc/graphite-isl-ast-to-gimple.c +++ b/gcc/graphite-isl-ast-to-gimple.c @@ -2505,9 +2505,6 @@ copy_cond_phi_nodes (basic_block bb, basic_block new_bb, vec<tree> iv_map) tree res = gimple_phi_result (phi); if (virtual_operand_p (res)) continue; - if (is_gimple_reg (res) && scev_analyzable_p (res, region->region)) - /* Cond phi nodes should not be scev_analyzable_p. */ - gcc_unreachable (); gphi *new_phi = create_phi_node (SSA_NAME_VAR (res), new_bb); tree new_res = create_new_def_for (res, new_phi, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index acec6d9..87f09bd 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2016-11-11 Richard Biener <rguenther@suse.de> + PR tree-optimization/71575 + * gcc.dg/graphite/pr71575-1.c: New testcase. + * gcc.dg/graphite/pr71575-2.c: Likewise. + +2016-11-11 Richard Biener <rguenther@suse.de> + PR middle-end/78295 * gcc.dg/uninit-pr78295.c: New testcase. diff --git a/gcc/testsuite/gcc.dg/graphite/pr71575-1.c b/gcc/testsuite/gcc.dg/graphite/pr71575-1.c new file mode 100644 index 0000000..4a8623e --- /dev/null +++ b/gcc/testsuite/gcc.dg/graphite/pr71575-1.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -floop-nest-optimize" } */ + +void w(int x, double *y) +{ + int i, j; + double a; + double c[32]; + + for (i = 0; i < x; i++) { + for (j = 0; j < x - i; j++) { + c[j] = y[i]; + } + y[i] = a; + a += c[0] + y[i]; + } +} + +void v(int x, double *y) +{ + w(x, y); +} diff --git a/gcc/testsuite/gcc.dg/graphite/pr71575-2.c b/gcc/testsuite/gcc.dg/graphite/pr71575-2.c new file mode 100644 index 0000000..24bc957 --- /dev/null +++ b/gcc/testsuite/gcc.dg/graphite/pr71575-2.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-Ofast -floop-nest-optimize" } */ + +int *a; +int b, c, d, e, g; +char f; + +void fn1() { + for (; c;) { + b = 0; + for (; b <= 2; b++) { + unsigned **h = (unsigned **) &a[b]; + *h = (unsigned *)(__UINTPTR_TYPE__)((g && (e = d)) != f++); + } + } +} |