http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55857
Bug #: 55857
Summary: [4.8 Regression] ICE: verify_ssa failed
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: rgue...@gcc.gnu.org
Target: powerpc*-*-*
Created attachment 29076
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29076
preprocessed source
Reproduced with a cross from x86_64:
./cc1 -quiet lpc.i -fpreprocessed -quiet -maltivec -O -ftree-vectorize
lpc.c: In function 'FLAC__lpc_compute_residual_from_qlp_coefficients':
lpc.c:266:6: error: PHI argument is missing for edge 58->56
for PHI node
vect_var_.321_1054 = PHI <(58), vect_var_.315_1052(114)>
lpc.c:266:6: internal compiler error: verify_ssa failed
0xc89f71 verify_ssa(bool)
/space/rguenther/src/svn/trunk/gcc/tree-ssa.c:1050
0xbf6163 verify_loop_closed_ssa(bool)
/space/rguenther/src/svn/trunk/gcc/tree-ssa-loop-manip.c:591
0xbf684b gimple_duplicate_loop_to_header_edge(loop*, edge_def*, unsigned int,
simple_bitmap_def*, edge_def*, vec<edge_def*, va_heap, vl_ptr>*, int)
/space/rguenther/src/svn/trunk/gcc/tree-ssa-loop-manip.c:762
0x6da91d cfg_hook_duplicate_loop_to_header_edge(loop*, edge_def*, unsigned int,
simple_bitmap_def*, edge_def*, vec<edge_def*, va_heap, vl_ptr>*, int)
/space/rguenther/src/svn/trunk/gcc/cfghooks.c:1183
0x6e6651 loop_version(loop*, void*, basic_block_def**, unsigned int, unsigned
int, unsigned int, bool)
/space/rguenther/src/svn/trunk/gcc/cfgloopmanip.c:1685
0xcd31d9 vect_loop_versioning(_loop_vec_info*, unsigned int, bool)
/space/rguenther/src/svn/trunk/gcc/tree-vect-loop-manip.c:2581
0xccae16 vect_transform_loop(_loop_vec_info*)
/space/rguenther/src/svn/trunk/gcc/tree-vect-loop.c:5483
0xcddad4 vectorize_loops()
/space/rguenther/src/svn/trunk/gcc/tree-vectorizer.c:124
0xc0425d tree_vectorize
/space/rguenther/src/svn/trunk/gcc/tree-ssa-loop.c:220
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
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Reducing.
