2007-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32482
	* tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
	original ssa name if we didn't find a shift expression.
	Fix shift constant for bit zero test.

	* gcc.c-torture/compile/pr32482.c: New testcase.

From-SVN: r126314