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(parent: 14d63fb) | patch
re PR tree-optimization/21705 (FRE does not eliminate a redundant pure call.)
authorDaniel Berlin <dberlin@dberlin.org>
Wed, 25 May 2005 18:53:25 +0000 (18:53 +0000)
committerDaniel Berlin <dberlin@gcc.gnu.org>
Wed, 25 May 2005 18:53:25 +0000 (18:53 +0000)
commit81def1b74bed71f407513a39908cbb9257b1e0d3
tree61933f045e45ea3006481c301eadbce38c98ef24tree
parent14d63fb68e2f60dbb0146ad1618c173a0f2c3078commit | diff
re PR tree-optimization/21705 (FRE does not eliminate a redundant pure call.)

2005-05-25  Daniel Berlin  <dberlin@dberlin.org>

Fix PR tree-optimization/21705

* tree-ssa-pre.c (in_fre): New static variable.
(create_value_expr_from): Recursively value number reference ops
in argument lists.
(can_value_number_call): Temporary restrict only exists for
PRE, not FRE.

From-SVN: r100156
gcc/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-14.c [new file with mode: 0644] blob
gcc/tree-ssa-pre.c diff | blob | history