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(parent: 24173da) | patch
Teach ScalarEvolution how to fold trunc(undef) and anyext(undef) to undef.
authorDan Gohman <gohman@apple.com>
Thu, 15 Jul 2010 20:02:11 +0000 (20:02 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 15 Jul 2010 20:02:11 +0000 (20:02 +0000)
commitf53462d2ea64f3ae78440b01b345298532acb9a5
tree0764ea56e6df87aa14dfcb73690ff3043e4d14eatree | snapshot
parent24173da61db2725bf91b0edf57cfa554ac105e9dcommit | diff
Teach ScalarEvolution how to fold trunc(undef) and anyext(undef) to undef.
This helps LSR behave more consistently on bugpoint-reduced testcases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108451 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp diff | blob | history
external/llvm
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