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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-05 15:38:37 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-05 15:38:37 +0000 |
| commit | b2090ecbf2feea994f3d3066f8ae69b77cbc666b (patch) | |
| tree | 934a2f7f5105b604f01af6b73e567d0040d9ef22 /llvm/lib | |
| parent | 870b3c5429ec112d70c920509ea7f1069cddeae1 (diff) | |
| download | bcm5719-llvm-b2090ecbf2feea994f3d3066f8ae69b77cbc666b.tar.gz bcm5719-llvm-b2090ecbf2feea994f3d3066f8ae69b77cbc666b.zip | |
Tweak comment and debug output.
llvm-svn: 134412
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocGreedy.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp index acf7f95182f..195e4837c86 100644 --- a/llvm/lib/CodeGen/RegAllocGreedy.cpp +++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp @@ -958,7 +958,8 @@ void RAGreedy::splitAroundRegion(LiveInterval &VirtReg, // // ~ Interference after last use. // |---o---o--o| Live-out on stack, late last use. - // =========____ Copy to stack after LSP, overlap MainIntv. + // ============ Copy to stack after LSP, overlap MainIntv. + // \_____ Stack interval is live-out. // if (!RegOut && Intf.first() > BI.LastUse.getBoundaryIndex()) { assert(RegIn && "Stack-in, stack-out should already be handled"); @@ -998,8 +999,8 @@ void RAGreedy::splitAroundRegion(LiveInterval &VirtReg, // The interference is overlapping somewhere we wanted to use MainIntv. That // means we need to create a local interval that can be allocated a // different register. - DEBUG(dbgs() << ", creating local interval.\n"); unsigned LocalIntv = SE->openIntv(); + DEBUG(dbgs() << ", creating local interval " << LocalIntv << ".\n"); // We may be creating copies directly between MainIntv and LocalIntv, // bypassing the stack interval. When we do that, we should never use the |
