llvm-6502/test/CodeGen
Evan Cheng 45e0010e14 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] 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71209 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08 06:34:09 +00:00
..
Alpha
ARM Fix pr4100. Do not remove no-op copies when they are dead. The register 2009-05-07 23:47:03 +00:00
CBackend
CellSPU
CPP Fix code emission for conditional branches. 2009-05-04 19:10:38 +00:00
Generic Disable the load-shrinking optimization from looking at 2009-04-29 03:45:07 +00:00
IA64
Mips
PowerPC Second attempt: 2009-04-29 00:15:41 +00:00
SPARC
X86 Optimize code placement in loop to eliminate unconditional branches or move unconditional branch to the outside of the loop. e.g. 2009-05-08 06:34:09 +00:00
XCore testcase for PR3898 2009-04-18 20:49:22 +00:00