llvm-project

Author	SHA1	Message	Date
Evan Cheng	5b9b33bcac	Reverse branch condition only when there is a conditional branch. llvm-svn: 71214	2009-05-08 09:35:53 +00:00
Nick Lewycky	b873ed672d	Add explicit braces to disambiguate nested if/else. Removes a warning. llvm-svn: 71211	2009-05-08 06:57:41 +00:00
Evan Cheng	2fa281106a	Optimize code placement in loop to eliminate unconditional branches or move unconditional branch to the outside of the loop. e.g. /// A: /// ... /// <fallthrough to B> /// /// B: --> loop header /// ... /// jcc <cond> C, [exit] /// /// C: /// ... /// jmp B /// /// ==> /// /// A: /// ... /// jmp B /// /// C: --> new loop header /// ... /// <fallthough to B> /// /// B: /// ... /// jcc <cond> C, [exit] llvm-svn: 71209	2009-05-08 06:34:09 +00:00
Evan Cheng	143bae5dcd	Code refactoring. llvm-svn: 71151	2009-05-07 05:49:39 +00:00
Evan Cheng	f356a89e92	Rename "loop aligner" pass to "code placement optimization" pass. llvm-svn: 71150	2009-05-07 05:42:24 +00:00