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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-02-19 18:41:01 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-02-19 18:41:01 +0000 |
| commit | da5f1ed6406442735fbb4421f8a22bc8a41d4c57 (patch) | |
| tree | fed976a4dc573d6748cdbbc0136a0602990a241b | |
| parent | 1f1713ff7a53c9c491c59886984f6a0534ce3630 (diff) | |
Assert that the target provided hints are in the allocation order.
Target implementations of getRegAllocationHints() should use the
provided allocation order, and they can never return hints outside the
order. This is already documented in TargetRegisterInfo.h.
<rdar://problem/13240556>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175540 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/AllocationOrder.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/AllocationOrder.cpp b/lib/CodeGen/AllocationOrder.cpp index 1d09d20f03..3fa1f8ff20 100644 --- a/lib/CodeGen/AllocationOrder.cpp +++ b/lib/CodeGen/AllocationOrder.cpp @@ -44,4 +44,9 @@ AllocationOrder::AllocationOrder(unsigned VirtReg, dbgs() << '\n'; } }); +#ifndef NDEBUG + for (unsigned I = 0, E = Hints.size(); I != E; ++I) + assert(std::find(Order.begin(), Order.end(), Hints[I]) != Order.end() && + "Target hint is outside allocation order."); +#endif } |