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r241990 - in /trunk/gcc: ChangeLog ipa-cp.c ipa...


Author: kugan
Date: Wed Nov  9 01:44:04 2016
New Revision: 241990

URL: https://gcc.gnu.org/viewcvs?rev=241990&root=gcc&view=rev
Log:
Handle unary pass-through jump functions for ipa-vrp
gcc/testsuite/ChangeLog:

2016-11-09  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* gcc.dg/ipa/vrp7.c: New test.


gcc/ChangeLog:

2016-11-09  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* ipa-cp.c (ipa_get_jf_pass_through_result): Handle unary expressions.
	(propagate_vr_accross_jump_function): Likewise.
	* ipa-prop.c (ipa_set_jf_unary_pass_through): New.
	(load_from_param_1): New.
	(load_from_unmodified_param): Factor common part into load_from_param_1.
	(load_from_param): New.
	(compute_complex_assign_jump_func): Handle unary expressions.
	(ipa_write_jump_function): Likewise.
	(ipa_read_jump_function): Likewise.


Added:
    trunk/gcc/testsuite/gcc.dg/ipa/vrp7.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c
    trunk/gcc/ipa-prop.c
    trunk/gcc/testsuite/ChangeLog


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