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(parent: 8c25f9f) | patch
(set_nonzero_bits_and_sign_copies): Don't record data for a a pseudo that is undefine...
authorRichard Kenner <kenner@gcc.gnu.org>
Sat, 15 May 1993 14:43:42 +0000 (10:43 -0400)
committerRichard Kenner <kenner@gcc.gnu.org>
Sat, 15 May 1993 14:43:42 +0000 (10:43 -0400)
commite8095e803fe2b9d3b1200beeb2cbd47d2f419441
treee5299038e17290a0f2a0eeb6b7f02ba20accf8d7tree
parent8c25f9f8319413dd6bbafc9e4971fb1909436ad0commit | diff
(set_nonzero_bits_and_sign_copies): Don't record data for a a pseudo that is undefined on entry to a function.

(set_nonzero_bits_and_sign_copies): Don't record data for a a pseudo that is
undefined on entry to a function.
When a pseudo is clobbered, show we don't know anything about it.

From-SVN: r4471
gcc/combine.c diff | blob | blame | history
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