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Commit Graph

5 Commits

Author SHA1 Message Date
Cameron Zwarich
56e3793acf Eliminate the unused CodeGenPrepare option to split critical edges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02 03:31:46 +00:00
Jakob Stoklund Olesen
b53afc6a12 Explicitly disable CGP critical edge splitting for this test so it won't break
by reenabling it temporarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114858 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27 18:43:43 +00:00
Jakob Stoklund Olesen
4c2c865a51 Don't depend on basic block numbering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114857 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27 18:43:40 +00:00
Evan Cheng
fff606d7b2 Enable code placement optimization pass for ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114746 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-24 19:07:23 +00:00
Evan Cheng
97b9b97853 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111221 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17 01:20:36 +00:00