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| author | Marc Glisse <marc.glisse@inria.fr> | 2014-06-04 20:38:18 +0200 |
|---|---|---|
| committer | Marc Glisse <glisse@gcc.gnu.org> | 2014-06-04 18:38:18 +0000 |
| commit | ca73a1f7f901bc6111ff13ca8b8d29027e72e7fa (patch) | |
| tree | 0ffb82173ded686a7b23063eb940ee2fc979b1c0 /gcc/tree-ssa-phiopt.c | |
| parent | ffb1f5ef12ce9d9994e850d87cbe4116a69d8d90 (diff) | |
| download | gcc-ca73a1f7f901bc6111ff13ca8b8d29027e72e7fa.zip gcc-ca73a1f7f901bc6111ff13ca8b8d29027e72e7fa.tar.gz gcc-ca73a1f7f901bc6111ff13ca8b8d29027e72e7fa.tar.bz2 | |
re PR tree-optimization/61385 (ICE on valid code at -O2 and -O3 on x86_64-linux-gnu)
2014-06-04 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/61385
gcc/
* tree-ssa-phiopt.c (value_replacement): Punt if there are PHI nodes.
gcc/testsuite/
* gcc.dg/tree-ssa/pr61385.c: New file.
From-SVN: r211245
Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
| -rw-r--r-- | gcc/tree-ssa-phiopt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c index e3b6f1d..95844f4 100644 --- a/gcc/tree-ssa-phiopt.c +++ b/gcc/tree-ssa-phiopt.c @@ -849,6 +849,10 @@ value_replacement (basic_block cond_bb, basic_block middle_bb, && !POINTER_TYPE_P (TREE_TYPE (arg0)))) return 0; + /* Punt if there are (degenerate) PHIs in middle_bb, there should not be. */ + if (!gimple_seq_empty_p (phi_nodes (middle_bb))) + return 0; + /* Only transform if it removes the condition. */ if (!single_non_singleton_phi_for_edges (phi_nodes (gimple_bb (phi)), e0, e1)) return 0; |