Evan Cheng
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5f70218c75
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Allow multiple ifcvt candidates to share children blocks; add some debugging code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37379 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-06-01 00:12:12 +00:00 |
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Evan Cheng
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f15d44cc10
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Fix a typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37374 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-31 20:53:33 +00:00 |
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Evan Cheng
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8258210ed4
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Change traversal order to bottom up in preparation for more aggressive if-conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37365 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-30 19:49:19 +00:00 |
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Evan Cheng
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58fbb9f5ba
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Don't merge in tail block of a diamond if it has more than one predecessors after if-conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37353 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-29 23:37:20 +00:00 |
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Evan Cheng
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c8ed9badfa
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If there is an empty block between a source and its successor block, it still requires a unconditional branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37344 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-29 22:31:16 +00:00 |
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Evan Cheng
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4bec8ae694
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Silly boog.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37328 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-25 00:59:01 +00:00 |
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Evan Cheng
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a13aa95bc8
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Preliminary iterative if-conversion support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37309 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-23 07:23:16 +00:00 |
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Evan Cheng
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a6b4f43eaa
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If-convert early exit blocks (returns, etc.); bug fixes, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37270 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-21 22:22:58 +00:00 |
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Evan Cheng
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7f8ff8af1a
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Clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37237 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-18 19:32:08 +00:00 |
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Evan Cheng
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36489bbbac
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Change to depth-first traversal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37236 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-18 19:26:33 +00:00 |
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Evan Cheng
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cf6cc112d5
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Some restructuring in preparation for most aggressive if-conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37231 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-18 18:14:37 +00:00 |
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Evan Cheng
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6092ca1556
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Watch out for blocks that end with a return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37227 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-18 17:06:53 +00:00 |
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Evan Cheng
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47d2502072
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If true / false blocks fallthrough before ifcvt, add unconditional branches to ifcvt'd block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37200 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-18 01:55:58 +00:00 |
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Evan Cheng
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86cbfea33b
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Make use of target specific block size limits; bug fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37195 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-18 00:20:58 +00:00 |
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Evan Cheng
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d6ddc308f0
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isBlockPredicable() always ignore terminal instructions; add comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37126 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-16 21:54:37 +00:00 |
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Evan Cheng
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c3a289c4b5
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Rename M_PREDICATED to M_PREDICABLE; Moved isPredicable() to MachineInstr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37121 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-16 20:56:08 +00:00 |
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Evan Cheng
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c5d05ef357
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Devang points out that we need an assertion here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37097 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-16 05:11:10 +00:00 |
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Evan Cheng
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4e654852f1
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Initial commit of (very basic) if converter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37092 91177308-0d34-0410-b5e6-96231b3b80d8
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2007-05-16 02:00:57 +00:00 |
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