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PR tree-optimization/34244
authorrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 30 Nov 2007 00:32:04 +0000 (00:32 +0000)
committerrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 30 Nov 2007 00:32:04 +0000 (00:32 +0000)
commitce9e2cc1f19e7d3163766917588edd1ad389bd96
tree573fc12944ab74427d5b1d5768b2a39ac6ed4847tree | snapshot
parenta1cdd5678a79f6a5e16f0d90d15f5ed2c7b5a99bcommit | diff
PR tree-optimization/34244
* tree-vrp.c (adjust_range_with_scev): Clear scev cache.
(record_numbers_of_iterations): New function.
(execute_vrp): Cache the numbers of iterations of loops.
* tree-scalar-evolution.c (scev_reset_except_niters):
New function.
(scev_reset): Use scev_reset_except_niters.
* tree-scalar-evolution.h (scev_reset_except_niters): Declare.

* gcc.dg/tree-ssa/pr34244.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130527 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/pr34244.c [new file with mode: 0644] blob
gcc/tree-scalar-evolution.c diff | blob | history
gcc/tree-scalar-evolution.h diff | blob | history
gcc/tree-vrp.c diff | blob | history
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