Evan Cheng
4af5487b74
Re-apply r124518 with fix. Watch out for invalidated iterator.
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llvm-svn: 124526
2011-01-29 04:46:23 +00:00
Evan Cheng
1f943b9b13
Revert r124518. It broke Linux self-host.
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llvm-svn: 124522
2011-01-29 02:43:04 +00:00
Evan Cheng
a1e4cb5f09
Re-commit r124462 with fixes. Tail recursion elim will now dup ret into unconditional predecessor to enable TCE on demand.
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llvm-svn: 124518
2011-01-29 01:29:26 +00:00
Evan Cheng
5b6c72e549
Revert r124462. There are a few big regressions that I need to fix first.
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llvm-svn: 124478
2011-01-28 07:12:38 +00:00
Evan Cheng
7031f450b3
- Stop simplifycfg from duplicating "ret" instructions into unconditional
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branches. PR8575, rdar://5134905, rdar://8911460.
- Allow codegen tail duplication to dup small return blocks after register
allocation is done.
llvm-svn: 124462
2011-01-28 02:19:21 +00:00
Dan Gohman
205b641954
Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
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input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.
llvm-svn: 81537
2009-09-11 18:01:28 +00:00
Dan Gohman
c95df8b6d8
Use opt -S instead of piping bitcode output through llvm-dis.
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llvm-svn: 81257
2009-09-08 22:34:10 +00:00
Dan Gohman
8d84372836
Change these tests to feed the assembly files to opt directly, instead
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of using llvm-as, now that opt supports this.
llvm-svn: 81226
2009-09-08 16:50:01 +00:00
Chris Lattner
c59cf9c8da
Dig through multiple levels of AND to thread jumps if needed.
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llvm-svn: 50106
2008-04-22 20:46:09 +00:00
