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We filter out MachineLoop back-edges during the trace-building PO traversals, but it is possible to have CFG cycles that aren't natural loops, and MachineLoopInfo doesn't include such cycles. Use a standard visited set to detect such CFG cycles, and completely ignore them when picking traces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161532 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Analysis | ||
Archive | ||
AsmParser | ||
Bitcode | ||
CodeGen | ||
DebugInfo | ||
ExecutionEngine | ||
Linker | ||
MC | ||
Object | ||
Support | ||
TableGen | ||
Target | ||
Transforms | ||
VMCore | ||
CMakeLists.txt | ||
LLVMBuild.txt | ||
Makefile |