diff options
| author | Richard Biener <rguenther@suse.de> | 2013-12-02 15:43:01 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-12-02 15:43:01 +0000 |
| commit | 100f09a564fb1abe4c8d4712048c473c1fbaf248 (patch) | |
| tree | 9fc08085cca4b298627c57cd8470d98d9df55b04 /gcc/tree-ssa-loop-niter.c | |
| parent | 75fcf2876f2e3746137e939deec4cf2cff602d02 (diff) | |
| download | gcc-100f09a564fb1abe4c8d4712048c473c1fbaf248.zip gcc-100f09a564fb1abe4c8d4712048c473c1fbaf248.tar.gz gcc-100f09a564fb1abe4c8d4712048c473c1fbaf248.tar.bz2 | |
re PR tree-optimization/59139 (internal compiler error: in get_val_for, at tree-ssa-loop-niter.c:2267)
2013-12-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/59139
* tree-ssa-loop-niter.c (chain_of_csts_start): Properly match
code in get_val_for.
(get_val_for): Use gcc_checking_asserts.
* gcc.dg/torture/pr59139.c: New testcase.
From-SVN: r205588
Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 05c3fac..08c8541 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -2167,7 +2167,8 @@ chain_of_csts_start (struct loop *loop, tree x) return NULL; } - if (gimple_code (stmt) != GIMPLE_ASSIGN) + if (gimple_code (stmt) != GIMPLE_ASSIGN + || gimple_assign_rhs_class (stmt) == GIMPLE_TERNARY_RHS) return NULL; code = gimple_assign_rhs_code (stmt); @@ -2235,7 +2236,7 @@ get_val_for (tree x, tree base) { gimple stmt; - gcc_assert (is_gimple_min_invariant (base)); + gcc_checking_assert (is_gimple_min_invariant (base)); if (!x) return base; @@ -2244,7 +2245,7 @@ get_val_for (tree x, tree base) if (gimple_code (stmt) == GIMPLE_PHI) return base; - gcc_assert (is_gimple_assign (stmt)); + gcc_checking_assert (is_gimple_assign (stmt)); /* STMT must be either an assignment of a single SSA name or an expression involving an SSA name and a constant. Try to fold that |