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| author |   patrick <patrick@openbsd.org> | 2017-01-24 08:32:59 +0000 |
|---|---|---|
| committer | patrick <patrick@openbsd.org> | 2017-01-24 08:32:59 +0000 |
| commit | 53d771aafdbe5b919f264f53cba3788e2c4cffd2 (patch) | |
| tree | 7eca39498be0ff1e3a6daf583cd9ca5886bb2636 /gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp | |
| parent | In preparation of compiling our kernels with -ffreestanding, explicitly map (diff) | |
| download | wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.tar.xz wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.zip | |
Import LLVM 4.0.0 rc1 including clang and lld to help the current
development effort on OpenBSD/arm64.
Diffstat (limited to 'gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp')
| -rw-r--r-- | gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp b/gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp index 86332c8a93a..ef7e525e816 100644 --- a/gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp +++ b/gnu/llvm/lib/CodeGen/MachineTraceMetrics.cpp @@ -430,16 +430,17 @@ public: po_iterator_storage(LoopBounds &lb) : LB(lb) {} void finishPostorder(const MachineBasicBlock*) {} - bool insertEdge(const MachineBasicBlock *From, const MachineBasicBlock *To) { + bool insertEdge(Optional<const MachineBasicBlock *> From, + const MachineBasicBlock *To) { // Skip already visited To blocks. MachineTraceMetrics::TraceBlockInfo &TBI = LB.Blocks[To->getNumber()]; if (LB.Downward ? TBI.hasValidHeight() : TBI.hasValidDepth()) return false; // From is null once when To is the trace center block. if (From) { - if (const MachineLoop *FromLoop = LB.Loops->getLoopFor(From)) { + if (const MachineLoop *FromLoop = LB.Loops->getLoopFor(*From)) { // Don't follow backedges, don't leave FromLoop when going upwards. - if ((LB.Downward ? To : From) == FromLoop->getHeader()) + if ((LB.Downward ? To : *From) == FromLoop->getHeader()) return false; // Don't leave FromLoop. if (isExitingLoop(FromLoop, LB.Loops->getLoopFor(To))) |