[LLVMbugs] [Bug 24303] New: PeepholeOptimizer emits a fatal error

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=24303

            Bug ID: 24303
           Summary: PeepholeOptimizer emits a fatal error
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Common Code Generator Code
          Assignee: unassignedbugs at nondot.org
          Reporter: wujingyue at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 14665
  --> https://llvm.org/bugs/attachment.cgi?id=14665&action=edit
failing test

r243486 (http://reviews.llvm.org/D11197) broke an internal test of ours. I
reduced it to complex2.ll attached. 

jingyue llvm-git% llc ~/Work/cuda/complex2.ll -o - -march=nvptx64 -mcpu=sm_35 
//
// Generated by LLVM NVPTX Back-End
//

.version 3.2
.target sm_35
.address_size 64

LLVM ERROR: Attempted to created cross-class register copy

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