Add cross test for vector itofp and fptoi casts.

pydir/szbuild.py

 #!/usr/bin/env python2
 
 import argparse
 import os
 import pipes
 import re
 import sys
 
 from utils import shellcmd
 from utils import FindBaseNaCl
@@ skipping 171 matching lines @@
                   '-o', obj_llc] +
                  args.llc_args +
                  [pexe],
                  echo=args.verbose)
         shellcmd((
             'objcopy --redefine-sym _start=_user_start {obj}'
             ).format(obj=obj_llc), echo=args.verbose)
         shellcmd((
             'nm {obj} | sed -n "s/.* [a-zA-Z] //p" > {sym}'
             ).format(obj=obj_llc, sym=sym_llc), echo=args.verbose)
+    szrt_bitcode_src = (
+            '{root}/toolchain_build/src/subzero/runtime/szrt_i686.ll'
+            ).format(root=nacl_root)
+    szrt_bitcode_obj = (
+            '{root}/toolchain_build/src/subzero/build/szrt_i686.o'
+            ).format(root=nacl_root)
+    if args.force or \
+            NewerThanOrNotThere(szrt_bitcode_src, szrt_bitcode_obj) or \
+            NewerThanOrNotThere(llcbin, szrt_bitcode_obj):
+        shellcmd(['pnacl-translate',
+                  '-ffunction-sections',
+                  '-c',
+                  '-arch', 'x86-32-linux',
+                  '-O2',
+                  '--pnacl-driver-append-LLC_FLAGS_EXTRA=-externalize',
+                  '-o', szrt_bitcode_obj] +
+                 args.llc_args +
+                 [szrt_bitcode_src],
+                 echo=args.verbose)
     if args.force or NewerThanOrNotThere(pexe, obj_sz) or \
             NewerThanOrNotThere(llvm2ice, obj_sz):
         shellcmd([llvm2ice,
                   '-O' + opt_level,
                   '-bitcode-format=pnacl',
                   '-disable-globals',
                   '-externalize',
                   '-ffunction-sections',
                   '-o', asm_sz] +
                  args.sz_args +
@@ skipping 44 matching lines @@
         'ld -r -m elf_i386 -o {partial} {sz} {llc}'
         ).format(partial=obj_partial, sz=obj_sz_weak, llc=obj_llc_weak),
              echo=args.verbose)
     shellcmd((
         'objcopy -w --localize-symbol="*" {partial}'
         ).format(partial=obj_partial), echo=args.verbose)
     shellcmd((
         'objcopy --globalize-symbol=_user_start {partial}'
         ).format(partial=obj_partial), echo=args.verbose)
     shellcmd((
         'gcc -m32 {partial} -o {exe} ' +

[Jim Stichnoth, 2014/10/07 21:57:47]

Could we avoid the above compilation step of szrt_i686.ll by using the
now-required clang toolchain and adding szrt_i686.ll as an argument?

[jvoung (off chromium), 2014/10/07 22:55:54]

Good idea -- done.

         # Keep the rest of this command line (except szrt.c) in sync
         # with RunHostLD() in pnacl-translate.py.
         '{root}/toolchain/linux_x86/pnacl_newlib/translator/x86-32-linux/lib/' +
         '{{unsandboxed_irt,irt_query_list}}.o ' +
         '{root}/toolchain_build/src/subzero/runtime/szrt.c ' +
+        szrt_bitcode_obj + ' ' +
         '-lpthread -lrt'
         ).format(partial=obj_partial, exe=exe, root=nacl_root),
              echo=args.verbose)
     # Put the extra verbose printing at the end.
     if args.verbose:
         print 'PATH={path}'.format(path=os.environ['PATH'])
         print 'include={regex}'.format(regex=re_include_str)
         print 'exclude={regex}'.format(regex=re_exclude_str)
         print 'default_match={dm}'.format(dm=default_match)
         print 'Number of Subzero syms = {num}'.format(num=len(sz_syms))
 
 if __name__ == '__main__':
     main()