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6 Commits

Author SHA1 Message Date
Jim Grosbach 6d371ce37e Properly pseudo-ize the ARM LDMIA_RET instruction. This has the nice side- 
effect that we get proper instruction printing using the "pop" mnemonic for it.

llvm-svn: 127502
 2011-03-11 22:51:41 +00:00
Cameron Zwarich 5dd2aa2615 Eliminate the unused CodeGenPrepare option to split critical edges. 
llvm-svn: 126825
 2011-03-02 03:31:46 +00:00
Jakob Stoklund Olesen 4f3443e74d Explicitly disable CGP critical edge splitting for this test so it won't break 
by reenabling it temporarily.

llvm-svn: 114858
 2010-09-27 18:43:43 +00:00
Jakob Stoklund Olesen f2a279b902 Don't depend on basic block numbering. 
llvm-svn: 114857
 2010-09-27 18:43:40 +00:00
Evan Cheng dbcc4b4d4d Enable code placement optimization pass for ARM. 
llvm-svn: 114746
 2010-09-24 19:07:23 +00:00
Evan Cheng f259efde47 PHI elimination should not break back edge. It can cause some significant code placement issues. rdar://8263994 
good:
LBB0_2:
  mov     r2, r0
  . . .
  mov     r1, r2
  bne     LBB0_2

bad:
LBB0_2:
  mov     r2, r0
  . . .
@ BB#3:
  mov     r1, r2
  b       LBB0_2

llvm-svn: 111221
 2010-08-17 01:20:36 +00:00