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597432fbe5
Thread local storage is not supported by the XMOS linker so we handle thread local variables by lowering the variable to an array of n elements (where n is the number of hardware threads per core, currently 8 for all XMOS devices) indexed by the the current thread ID. Previously this lowering was spread across the XCoreISelLowering and the XCoreAsmPrinter classes. Moving this to a separate pass should be much cleaner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181124 91177308-0d34-0410-b5e6-96231b3b80d8
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