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re PR tree-optimization/20640 (ICE on NULL PHI_ARG_DEF)
authorAlexandre Oliva <aoliva@redhat.com>
Sat, 2 Apr 2005 17:02:15 +0000 (17:02 +0000)
committerAlexandre Oliva <aoliva@gcc.gnu.org>
Sat, 2 Apr 2005 17:02:15 +0000 (17:02 +0000)
commite18d4a1904df31796cd4f10df5fb44fa9ef68d17
tree11878561a726f557b6264d3b578b755ffe510bb9tree
parentbbe3791247584e9b520a0a7afdc14acea321678acommit | diff
re PR tree-optimization/20640 (ICE on NULL PHI_ARG_DEF)

gcc/ChangeLog:
PR tree-optimization/20640
* tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
post-dominator if it has phi nodes.
(eliminate_unnecessary_stmts): Remove dead phis in all blocks
before dead statements.
gcc/testsuite/ChangeLog:
PR tree-optimization/20640
* gcc.dg/torture/tree-loop-1.c: New.

From-SVN: r97446
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/tree-loop-1.c [new file with mode: 0644] blob
gcc/tree-ssa-dce.c diff | blob | history