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(parent: 92df92c) | patch
re PR tree-optimization/21563 (A trivial VRP opportunity missed)
authorKazu Hirata <kazu@cs.umass.edu>
Sat, 14 May 2005 20:32:59 +0000 (20:32 +0000)
committerKazu Hirata <kazu@gcc.gnu.org>
Sat, 14 May 2005 20:32:59 +0000 (20:32 +0000)
commit5de2df7bd4a71a70ecbb3f6c514183864dc75c8a
treed87d80e20a98cc3925d2abf5c81ae16134950b55tree
parent92df92cddae0295ede176f971612090ef32dfbf9commit | diff
re PR tree-optimization/21563 (A trivial VRP opportunity missed)

gcc/
PR tree-optimization/21563
* tree-vrp.c (compare_value): Return boolean_false_node when
SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
strictly larger than CST.

testsuite/
PR tree-optimization/21563
* gcc.dg/tree-ssa/pr21563.c: New.

From-SVN: r99705
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/tree-ssa/pr21563.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | blame | history
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