Subzero: switch from llvm-objdump to objdump for lit tests (for LLVM merge)

tests_lit/lit.cfg

Index: tests_lit/lit.cfg
diff --git a/tests_lit/lit.cfg b/tests_lit/lit.cfg
index b8bde4e6891d5d17cd261d2b2387f2b0db38445e..14b603b33282f667c0321e53378e74ff8ed09cd6 100644
--- a/tests_lit/lit.cfg
+++ b/tests_lit/lit.cfg
@@ -66,6 +66,9 @@ pydir = os.path.join(bin_root, 'pydir')
 # the llvmbintools list.
 llvmbinpath = os.path.abspath(os.environ.get('LLVM_BIN_PATH'))
 
+# Find binutils tools. This is used for objdump.
+binutilsbinpath = os.path.abspath(os.environ.get('BINUTILS_BIN_PATH'))
+
 # Define the location of the llvm2ice tool.
 llvm2icetool = os.path.join(bin_root, 'llvm2ice')
 llvm2iceatts = shellcmd(' '.join([llvm2icetool, '--build-atts']),
@@ -88,7 +91,8 @@ iflc2i_atts_cmd = if_atts + [if_cond_flag('allow_llvm_ir_as_input'
 # Base command for running llvm2ice
 llvm2ice_cmd = [os.path.join(pydir, 'run-llvm2ice.py'),
                 '--llvm2ice', llvm2icetool,
-                '--llvm-bin-path', llvmbinpath]
+                '--llvm-bin-path', llvmbinpath,
+                '--binutils-bin-path', binutilsbinpath]
 
 # Run commands only if corresponding build attributes apply, including
 # for each compiler setup.
@@ -136,4 +140,5 @@ def dbg(s):
 
 dbg('bin_root = %s' % bin_root)
 dbg('llvmbinpath = %s' % llvmbinpath)
+dbg('binutilsbinpath = %s' % binutilsbinpath)
 dbg("Build attributes = %s" % llvm2iceatts)