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author | Andrew Trick <atrick@apple.com> | 2013-06-21 18:33:09 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2013-06-21 18:33:09 +0000 |
commit | 0db6df0d963a8eee763fd878a72c3153501491c0 (patch) | |
tree | c140d63c17018c204089f233601c1726f28f1d44 /lib | |
parent | b5f906b98fe5c05c491c6cf2ec30fcf206b60b27 (diff) | |
download | llvm-0db6df0d963a8eee763fd878a72c3153501491c0.tar.gz llvm-0db6df0d963a8eee763fd878a72c3153501491c0.tar.bz2 llvm-0db6df0d963a8eee763fd878a72c3153501491c0.tar.xz |
Modify the -join-globalcopies option (off by default).
Always coalesce in forward order to propagate rematerialization.
I'm fixing this option so I can enable it by default soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184568 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index 3cede9f490..6e7d90dd65 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -2117,8 +2117,8 @@ RegisterCoalescer::copyCoalesceInMBB(MachineBasicBlock *MBB) { // are not inherently easier to resolve, but slightly preferable until we // have local live range splitting. In particular this is required by // cmp+jmp macro fusion. - for (MachineBasicBlock::reverse_iterator - MII = MBB->rbegin(), E = MBB->rend(); MII != E; ++MII) { + for (MachineBasicBlock::iterator MII = MBB->begin(), E = MBB->end(); + MII != E; ++MII) { if (!MII->isCopyLike()) continue; if (isLocalCopy(&(*MII), LIS)) |