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Fix PR45971: do not predicate condition phi nodes that are scev analyzable.
authorSebastian Pop <sebastian.pop@amd.com>
Wed, 10 Nov 2010 16:06:47 +0000 (16:06 +0000)
committerSebastian Pop <spop@gcc.gnu.org>
Wed, 10 Nov 2010 16:06:47 +0000 (16:06 +0000)
commite639b20676a9eab048bfdcf007b7ab3b6398a845
treeed8ed8365eea43b3d72b37435d34a18cb7900de2tree
parent59e0c6b70fdb0c9683597f470d8f795b59812aa8commit | diff
Fix PR45971: do not predicate condition phi nodes that are scev analyzable.

2010-11-10  Sebastian Pop  <sebastian.pop@amd.com>

PR tree-optimization/45971
* tree-if-conv.c (predicate_scalar_phi): Do not generate a COND_EXPR
for phi nodes analyzable by scev.

* gcc.dg/vect/O3-pr45971.c: New.

From-SVN: r166544
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/vect/O3-pr45971.c [new file with mode: 0644] blob
gcc/tree-if-conv.c diff | blob | blame | history
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