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llvm-mirror/test/Transforms/JumpThreading
Chris Lattner 774e3967ad Teach jump threading to duplicate small blocks when the branch
condition is a xor with a phi node.  This eliminates nonsense
like this from 176.gcc in several places:

 LBB166_84:
        testl   %eax, %eax
-       setne   %al
-       xorb    %cl, %al
-       notb    %al
-       testb   $1, %al
-       je      LBB166_85
+       je      LBB166_69
+       jmp     LBB166_85

This is rdar://7391699

llvm-svn: 93221
2010-01-12 02:07:17 +00:00
..
2008-11-27-EntryMunge.ll simplify some run lines, convert a test to filecheck. 2009-10-11 03:54:21 +00:00
and-and-cond.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
and-cond.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
basic.ll Teach jump threading to duplicate small blocks when the branch 2010-01-12 02:07:17 +00:00
branch-no-const.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
compare.ll simplify some run lines, convert a test to filecheck. 2009-10-11 03:54:21 +00:00
crash.ll fix PR5698 2009-12-06 17:17:23 +00:00
dg.exp
no-irreducible-loops.ll Make these tests more interesting by using 2009-10-24 23:23:04 +00:00
thread-loads.ll simplify some run lines, convert a test to filecheck. 2009-10-11 03:54:21 +00:00