Update to LLVM 3.5a.

Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617

1 files changed, 36 insertions, 34 deletions

diff --git a/test/lit.cfg b/test/lit.cfg
index df1f4a1..df1850a 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -156,6 +156,12 @@ if re.search(r'cygwin|mingw32|win32', config.host_triple):
   lli_mcjit += ' -mtriple='+config.host_triple+'-elf'
 config.substitutions.append( ('%lli_mcjit', lli_mcjit) )
 
+# Similarly, have a macro to use llc with DWARF even when the host is win32.
+llc_dwarf = 'llc'
+if re.search(r'win32', config.target_triple):
+  llc_dwarf += ' -mtriple='+config.target_triple.replace('-win32', '-mingw32')
+config.substitutions.append( ('%llc_dwarf', llc_dwarf) )
+
 # Provide a substition for those tests that need to run the jit to obtain data
 # but simply want use the currently considered most reliable jit for platform
 # FIXME: ppc32 is not ready for mcjit.
@@ -188,6 +194,7 @@ else:
 config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) )
 config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
 config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
+config.substitutions.append( ('%exeext', config.llvm_exe_ext) )
 
 # For each occurrence of an llvm tool name as its own word, replace it
 # with the full path to the build directory holding that tool.  This
@@ -195,20 +202,17 @@ config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
 # tools that might happen to be in the user's PATH.  Thus this list
 # includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
 # (llvm_tools_dir in lit parlance).
-                # Don't match 'bugpoint-' or 'clang-'.
-                # Don't match '/clang' or '-clang'.
-if os.pathsep == ';':
-    pathext = os.environ.get('PATHEXT', '').split(';')
-else:
-    pathext = ['']
-# Regex to reject matching a hyphen
-NOHYPHEN = r"(?<!-)"
+
+# Avoid matching RUN line fragments that are actually part of
+# path names or options or whatever.
+# The regex is a pre-assertion to avoid matching a preceding
+# dot, hyphen, carat, or slash (.foo, -foo, etc.).  Some patterns
+# also have a post-assertion to not match a trailing hyphen (foo-).
+NOJUNK = r"(?<!\.|-|\^|/)"
 
 for pattern in [r"\bbugpoint\b(?!-)",
-                r"(?<!/|-)\bclang\b(?!-)",
-                r"\bgold\b",
-                # Match llc but not -llc
-                NOHYPHEN + r"\bllc\b",
+                NOJUNK + r"\bclang\b(?!-)",
+                NOJUNK + r"\bllc\b",
                 r"\blli\b",
                 r"\bllvm-PerfectShuffle\b",
                 r"\bllvm-ar\b",
@@ -220,27 +224,21 @@ for pattern in [r"\bbugpoint\b(?!-)",
                 r"\bllvm-dis\b",
                 r"\bllvm-dwarfdump\b",
                 r"\bllvm-extract\b",
-                r"\bllvm-jistlistener\b",
                 r"\bllvm-link\b",
                 r"\bllvm-lto\b",
                 r"\bllvm-mc\b",
                 r"\bllvm-mcmarkup\b",
                 r"\bllvm-nm\b",
                 r"\bllvm-objdump\b",
+                r"\bllvm-profdata\b",
                 r"\bllvm-ranlib\b",
                 r"\bllvm-readobj\b",
                 r"\bllvm-rtdyld\b",
-                r"\bllvm-shlib\b",
                 r"\bllvm-size\b",
                 r"\bllvm-tblgen\b",
                 r"\bllvm-c-test\b",
-                # Match llvmc but not -llvmc
-                NOHYPHEN + r"\bllvmc\b",
-                # Match lto but not -lto
-                NOHYPHEN + r"\blto\b",
                 r"\bmacho-dump\b",
-                # Don't match '.opt', '-opt', '^opt' or '/opt'.
-                r"(?<!\.|-|\^|/)\bopt\b",
+                NOJUNK + r"\bopt\b",
                 r"\bFileCheck\b",
                 r"\bFileUpdate\b",
                 r"\bc-index-test\b",
@@ -255,15 +253,16 @@ for pattern in [r"\bbugpoint\b(?!-)",
     # name being surrounded by \b word match operators.  If the
     # pattern starts with "| ", include it in the string to be
     # substituted.
-    substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
-                          r"\2" + llvm_tools_dir + "/" + r"\4",
+    tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
                           pattern)
-    for ext in pathext:
-        substitution_ext = substitution + ext
-        if os.path.exists(substitution_ext):
-             substitution = substitution_ext
-             break
-    config.substitutions.append((pattern, substitution))
+    tool_pipe = tool_match.group(2)
+    tool_name = tool_match.group(4)
+    tool_path = lit.util.which(tool_name, llvm_tools_dir)
+    if not tool_path:
+        # Warn, but still provide a substitution.
+        lit_config.note('Did not find ' + tool_name + ' in ' + llvm_tools_dir)
+        tool_path = llvm_tools_dir + '/' + tool_name
+    config.substitutions.append((pattern, tool_pipe + tool_path))
 
 ### Features
 
@@ -298,6 +297,8 @@ if not 'hexagon' in config.target_triple:
 
 if config.have_zlib == "1":
     config.available_features.add("zlib")
+else:
+    config.available_features.add("nozlib")
 
 # Native compilation: host arch == target arch
 # FIXME: Consider cases that target can be executed
@@ -305,18 +306,19 @@ if config.have_zlib == "1":
 if config.host_triple == config.target_triple:
     config.available_features.add("native")
 
-# llc knows whether he is compiled with -DNDEBUG.
+# Ask llvm-config about assertion mode.
 import subprocess
 try:
-    llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
-                           stdout = subprocess.PIPE)
+    llvm_config_cmd = subprocess.Popen(
+        [os.path.join(llvm_tools_dir, 'llvm-config'), '--assertion-mode'],
+        stdout = subprocess.PIPE)
 except OSError:
-    print("Could not find llc in " + llvm_tools_dir)
+    print("Could not find llvm-config in " + llvm_tools_dir)
     exit(42)
 
-if re.search(r'with assertions', llc_cmd.stdout.read().decode('ascii')):
+if re.search(r'ON', llvm_config_cmd.stdout.read().decode('ascii')):
     config.available_features.add('asserts')
-llc_cmd.wait()
+llvm_config_cmd.wait()
 
 if 'darwin' == sys.platform:
     try: