mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-27 15:57:13 +00:00
LLVM backend for 6502
f4ea510371
BB1: vr1025 = copy vr1024 .. BB2: vr1024 = op = op vr1025 <loop eventually branch back to BB1> Even though vr1025 is copied from vr1024, it's not safe to coalesced them since live range of vr1025 intersects the def of vr1024. This happens when vr1025 is assigned the value of the previous iteration of vr1024 in the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51394 91177308-0d34-0410-b5e6-96231b3b80d8 |
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README.txt |
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