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164 Commits

Author SHA1 Message Date
Evan Cheng
c8ed9badfa 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
 2007-05-29 22:31:16 +00:00
Evan Cheng
4bec8ae694 Silly boog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 00:59:01 +00:00
Evan Cheng
a13aa95bc8 Preliminary iterative if-conversion support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 07:23:16 +00:00
Evan Cheng
a6b4f43eaa 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
 2007-05-21 22:22:58 +00:00
Evan Cheng
7f8ff8af1a Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37237 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 19:32:08 +00:00
Evan Cheng
36489bbbac Change to depth-first traversal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37236 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 19:26:33 +00:00
Evan Cheng
cf6cc112d5 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
 2007-05-18 18:14:37 +00:00
Evan Cheng
6092ca1556 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
 2007-05-18 17:06:53 +00:00
Evan Cheng
47d2502072 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
 2007-05-18 01:55:58 +00:00
Evan Cheng
86cbfea33b 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
 2007-05-18 00:20:58 +00:00
Evan Cheng
d6ddc308f0 isBlockPredicable() always ignore terminal instructions; add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37126 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 21:54:37 +00:00
Evan Cheng
c3a289c4b5 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
 2007-05-16 20:56:08 +00:00
Evan Cheng
c5d05ef357 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
 2007-05-16 05:11:10 +00:00
Evan Cheng
4e654852f1 Initial commit of (very basic) if converter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37092 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 02:00:57 +00:00