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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Thu, 2 Apr 2009 09:10:53 +0000 (09:10 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Thu, 2 Apr 2009 09:10:53 +0000 (09:10 +0000)
commit	ac9b13dedd3a2e002764098701f53c05a897bab4
tree	1a6f6d8f33ade81a49b8870ef8209f8ef2aa991e	tree \| snapshot
parent	f0b30040618f44a1ff12b9763e40982fc8854b91	commit \| diff

2009-04-02 Richard Guenther <rguenther@suse.de>

PR tree-optimization/37221
* tree-flow.h (degenerate_phi_result): Declare.
* tree-ssa-dom.c (degenerate_phi_result): Export.
* tree-scalar-evolution.c (analyze_initial_condition): If
the initial condition is defined by a degenerate PHI node
use the degenerate value.

* gcc.c-torture/compile/20090331-1.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145439 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.c-torture/compile/20090331-1.c	[new file with mode: 0644]	blob
gcc/tree-flow.h		diff \| blob \| history
gcc/tree-scalar-evolution.c		diff \| blob \| history
gcc/tree-ssa-dom.c		diff \| blob \| history

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