[LLVMbugs] [Bug 17155] New: Not supported instruction in Linux PPC Assembly Printer

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun Sep 8 11:35:24 PDT 2013


            Bug ID: 17155
           Summary: Not supported instruction in Linux PPC Assembly
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs at nondot.org
          Reporter: kai at redstar.de
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11163
  --> http://llvm.org/bugs/attachment.cgi?id=11163&action=edit
IR file demonstrating the problem.

Compiling the attached bug.ll file with

llc -O0 -mcpu=pwr7 -filetype=obj bug.ll

results in the following error:

LLVM ERROR: Not supported instr: <MCInst 10 <MCOperand Reg:20> <MCOperand
> <MCOperand Imm:12>>
Stack dump:
0.      Program arguments: llc -O0 -mcpu=pwr7 -filetype=obj bug.ll
1.      Running pass 'Function Pass Manager' on module 'bug.ll'.
2.      Running pass 'Linux PPC Assembly Printer' on function

(The file is a reduced test case produced by LDC on module std.variant.)

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