Chris Lattner
08bc2701a2
fix PR5698
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90708 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06 17:17:23 +00:00
Chris Lattner
46875c0bfb
fix PR5640 by tracking whether a block is the header of a loop more
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precisely, which prevents us from infinitely peeling the loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90211 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-01 06:04:43 +00:00
Chris Lattner
5729d38c81
reapply 86289, 86278, 86270, 86267, 86266 & 86264 plus a fix
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(making pred factoring only happen if threading is guaranteed
to be successful).
This now survives an X86-64 bootstrap of llvm-gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07 08:05:03 +00:00
Devang Patel
12d53dba36
Revert following patches to fix llvmgcc bootstrap.
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86289, 86278, 86270, 86267, 86266 & 86264
Chris, please take a look.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07 01:32:59 +00:00
Chris Lattner
82114b98c9
Fix a problem discovered on self host.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06 19:21:48 +00:00
Chris Lattner
e4bddf1837
merge a few crash tests into crash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86119 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05 05:57:34 +00:00
Chris Lattner
88a8624f8e
alternate fix for PR5258 which avoids worklist problems, with reduced testcase.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84667 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20 20:27:49 +00:00
Chris Lattner
113e4c6070
another testcase jump threading shouldn't crash on.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83758 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-11 07:11:11 +00:00
Chris Lattner
c6c167f3bf
rename a file, remove a poorly reduced testcase.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83757 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-11 07:10:28 +00:00
