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authorAndrew Trick <atrick@apple.com>2013-06-21 18:33:09 +0000
committerAndrew Trick <atrick@apple.com>2013-06-21 18:33:09 +0000
commit75961ecc1a5b0dff6303df886ea9817248b78931 (patch)
tree15d4a88ff164a348d341e91bdaf4f339c2c48283 /llvm/lib/CodeGen
parent3a851a27b8d27ab07ec9471ebf2d9f6adda65aae (diff)
downloadbcm5719-llvm-75961ecc1a5b0dff6303df886ea9817248b78931.tar.gz
bcm5719-llvm-75961ecc1a5b0dff6303df886ea9817248b78931.zip
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. llvm-svn: 184568
Diffstat (limited to 'llvm/lib/CodeGen')
-rw-r--r--llvm/lib/CodeGen/RegisterCoalescer.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp
index 3cede9f4907..6e7d90dd65c 100644
--- a/llvm/lib/CodeGen/RegisterCoalescer.cpp
+++ b/llvm/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))
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