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tree-chrec.c (evolution_function_is_invariant_rec_p): Use CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead of... 

* tree-chrec.c (evolution_function_is_invariant_rec_p): Use
	CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
	of wrongly accessing operands.

From-SVN: r104093
This commit is contained in:
Sebastian Pop 2005-09-09 13:31:16 +02:00 committed by Sebastian Pop
parent 18aed06a02
commit 7ce7896c39
2 changed files with 16 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
* tree-chrec.c (evolution_function_is_invariant_rec_p): Use
CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
of wrongly accessing operands.
2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
* Makefile.in (tree-chrec.o): Depends on SCEV_H.

13
gcc/tree-chrec.c
View File

@ -935,9 +935,16 @@ evolution_function_is_invariant_rec_p (tree chrec, int loopnum)
chrec))
return true;
if (TREE_CODE (chrec) == POLYNOMIAL_CHREC
&& CHREC_VARIABLE (chrec) == (unsigned) loopnum)
return false;
if (TREE_CODE (chrec) == POLYNOMIAL_CHREC)
{
if (CHREC_VARIABLE (chrec) == (unsigned) loopnum
|| !evolution_function_is_invariant_rec_p (CHREC_RIGHT (chrec),
loopnum)
|| !evolution_function_is_invariant_rec_p (CHREC_LEFT (chrec),
loopnum))
return false;
return true;
}
switch (TREE_CODE_LENGTH (TREE_CODE (chrec)))
{