[LLVMbugs] [Bug 17553] New: PTX backend should discard .ident, as it is not supported by PTX ISA

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17553

            Bug ID: 17553
           Summary: PTX backend should discard .ident, as it is not
                    supported by PTX ISA
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PTX
          Assignee: unassignedbugs at nondot.org
          Reporter: maemarcus at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

$ cat ident.ll
; ModuleID = '__kernelgen_main_module'
target datalayout =
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
target triple = "nvptx64-nvidia-cuda"

module asm "\09.ident\09\22GCC: (GNU) 4.8.2 20130912 (prerelease) LLVM:
3.4svn\22"
$ llc ident.ll -o ident.ptx
$ cat ident.ptx 
//
// Generated by LLVM NVPTX Back-End
//

.version 3.1
.target sm_20
.address_size 64

                                        // Start of file scope inline assembly
    .ident    "GCC: (GNU) 4.8.2 20130912 (prerelease) LLVM: 3.4svn"

                                        // End of file scope inline assembly

$ ptxas ident.ll
ptxas ident.ll, line 1; error   : Missing .version directive at start of file
'ident.ll'
ptxas ident.ll, line 1; error   : Missing .target directive at start of file
'ident.ll'
ptxas ident.ll, line 1; fatal   : Parsing error near ';': syntax error
ptxas fatal   : Ptx assembly aborted due to errors

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