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| author | Bill Wendling <isanbard@gmail.com> | 2008-01-04 20:54:55 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-01-04 20:54:55 +0000 |
| commit | 0c209430b4722f741b0f99bbe8f480e2ba4ffd59 (patch) | |
| tree | d3bebf55548c56d04f33a1b7ca1981a78604748f /llvm/lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | 2bd541c5ffec3f2685afac21ceab42b967fef0cc (diff) | |
| download | bcm5719-llvm-0c209430b4722f741b0f99bbe8f480e2ba4ffd59.tar.gz bcm5719-llvm-0c209430b4722f741b0f99bbe8f480e2ba4ffd59.zip | |
Don't recalculate the loop info and loop dominators analyses if they're
preserved.
llvm-svn: 45596
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocLinearScan.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp index 17d416a4a63..6f850eb1b35 100644 --- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp +++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp @@ -104,6 +104,8 @@ namespace { // to coalescing and which analyses coalescing invalidates. AU.addRequiredTransitive<RegisterCoalescer>(); AU.addRequired<MachineLoopInfo>(); + AU.addPreserved<MachineLoopInfo>(); + AU.addPreservedID(MachineDominatorsID); MachineFunctionPass::getAnalysisUsage(AU); } |
