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| author | Evan Cheng <evan.cheng@apple.com> | 2007-09-25 01:54:36 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-09-25 01:54:36 +0000 |
| commit | a6fb1b6743ee1411accf2d6e636f73f2ee0a7f5b (patch) | |
| tree | 05eb93ca35bcfe154a16403c81b638ae3abf777b /lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | |
| parent | a3602685b34f4c9a1602fdc7fb120a7f51228736 (diff) | |
| download | llvm-a6fb1b6743ee1411accf2d6e636f73f2ee0a7f5b.tar.gz llvm-a6fb1b6743ee1411accf2d6e636f73f2ee0a7f5b.tar.bz2 llvm-a6fb1b6743ee1411accf2d6e636f73f2ee0a7f5b.tar.xz | |
Added major new capabilities to scheduler (only BURR for now) to support physical register dependency. The BURR scheduler can now backtrace and duplicate instructions in order to avoid "expensive / impossible to copy" values (e.g. status flag EFLAGS for x86) from being clobbered.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42284 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp index 73902b870b..734d0f2d35 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp @@ -281,7 +281,7 @@ namespace llvm { GraphWriter<ScheduleDAG*> &GW) { GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot"); if (G->DAG.getRoot().Val) - GW.emitEdge(0, -1, G->SUnitMap[G->DAG.getRoot().Val], -1, ""); + GW.emitEdge(0, -1, G->SUnitMap[G->DAG.getRoot().Val].front(), -1, ""); } }; } |