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bf5c9cd119
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4 Commits

Author SHA1 Message Date
Cameron Zwarich
bf5c9cd119 Roll r127459 back in: 
Optimize trivial branches in CodeGenPrepare, which often get created from the
lowering of objectsize intrinsics. Unfortunately, a number of tests were relying
on llc not optimizing trivial branches, so I had to add an option to allow them
to continue to test what they originally tested.

This fixes <rdar://problem/8785296> and <rdar://problem/9112893>.

llvm-svn: 127498
 2011-03-11 21:52:04 +00:00
Daniel Dunbar
a02706c889 Revert r127459, "Optimize trivial branches in CodeGenPrepare, which often get 
created from the", it broke some GCC test suite tests.

llvm-svn: 127477
 2011-03-11 19:30:30 +00:00
Cameron Zwarich
9ed726c151 Optimize trivial branches in CodeGenPrepare, which often get created from the 
lowering of objectsize intrinsics. Unfortunately, a number of tests were relying
on llc not optimizing trivial branches, so I had to add an option to allow them
to continue to test what they originally tested.

This fixes <rdar://problem/8785296> and <rdar://problem/9112893>.

llvm-svn: 127459
 2011-03-11 04:54:27 +00:00
Evan Cheng
bf92316fab Optimize: 
r1025 = s/zext r1024, 4
  r1026 = extract_subreg r1025, 4
to:
  r1026 = copy r1024

llvm-svn: 122925
 2011-01-05 23:06:49 +00:00