X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2Flit.cfg;h=b77f892d4d9225289b5887910672f989119630ef;hb=6f41c1352b5e860ce6fd737f1d69a13f810c0311;hp=f0ed689e0aecf8e93a1ab85e4d2f072cf46c1ff8;hpb=34b6ea7ebe0459ba16f4492d6f2a0dd76142830a;p=oota-llvm.git

diff --git a/test/lit.cfg b/test/lit.cfg
index f0ed689e0ae..b77f892d4d9 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -221,6 +221,32 @@ else:
 # also have a post-assertion to not match a trailing hyphen (foo-).
 NOJUNK = r"(?<!\.|-|\^|/)"
 
+
+def find_tool_substitution(pattern):
+    # Extract the tool name from the pattern.  This relies on the tool
+    # name being surrounded by \b word match operators.  If the
+    # pattern starts with "| ", include it in the string to be
+    # substituted.
+    tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
+                          pattern)
+    tool_pipe = tool_match.group(2)
+    tool_name = tool_match.group(4)
+    # Did the user specify the tool path + arguments? This allows things like
+    # llvm-lit "-Dllc=llc -enable-misched -verify-machineinstrs"
+    tool_path = lit_config.params.get(tool_name)
+    if tool_path is None:
+        tool_path = lit.util.which(tool_name, llvm_tools_dir)
+        if tool_path is None:
+            return tool_name, tool_path, tool_pipe
+    if (tool_name == "llc" and
+       'LLVM_ENABLE_MACHINE_VERIFIER' in os.environ and
+       os.environ['LLVM_ENABLE_MACHINE_VERIFIER'] == "1"):
+        tool_path += " -verify-machineinstrs"
+    if (tool_name == "llvm-go"):
+        tool_path += " go=" + config.go_executable
+    return tool_name, tool_path, tool_pipe
+
+
 for pattern in [r"\bbugpoint\b(?!-)",
                 NOJUNK + r"\bllc\b",
                 r"\blli\b",
@@ -235,7 +261,6 @@ for pattern in [r"\bbugpoint\b(?!-)",
                 r"\bllvm-dsymutil\b",
                 r"\bllvm-dwarfdump\b",
                 r"\bllvm-extract\b",
-                r"\bllvm-go\b",
                 r"\bllvm-lib\b",
                 r"\bllvm-link\b",
                 r"\bllvm-lto\b",
@@ -251,46 +276,40 @@ for pattern in [r"\bbugpoint\b(?!-)",
                 r"\bllvm-split\b",
                 r"\bllvm-tblgen\b",
                 r"\bllvm-c-test\b",
-                r"\bmacho-dump\b",
                 NOJUNK + r"\bopt\b",
                 r"\bFileCheck\b",
                 r"\bobj2yaml\b",
+                NOJUNK + r"\bsancov\b",
                 r"\byaml2obj\b",
                 r"\byaml-bench\b",
                 r"\bverify-uselistorder\b",
-                r"\bKaleidoscope-Ch3\b",
-                r"\bKaleidoscope-Ch4\b",
-                r"\bKaleidoscope-Ch5\b",
-                r"\bKaleidoscope-Ch6\b",
-                r"\bKaleidoscope-Ch7\b",
-                r"\bKaleidoscope-Ch8\b",
                 # Handle these specially as they are strings searched
                 # for during testing.
                 r"\| \bcount\b",
                 r"\| \bnot\b"]:
-    # Extract the tool name from the pattern.  This relies on the tool
-    # name being surrounded by \b word match operators.  If the
-    # pattern starts with "| ", include it in the string to be
-    # substituted.
-    tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
-                          pattern)
-    tool_pipe = tool_match.group(2)
-    tool_name = tool_match.group(4)
-    # Did the user specify the tool path + arguments? This allows things like
-    # llvm-lit "-Dllc=llc -enable-misched -verify-machineinstrs"
-    tool_path = lit_config.params.get(tool_name)
-    if tool_path is None:
-        tool_path = lit.util.which(tool_name, llvm_tools_dir)
-    if tool_path is None:
+    tool_name, tool_path, tool_pipe = find_tool_substitution(pattern)
+    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
-    if (tool_name == "llc" and
-       'LLVM_ENABLE_MACHINE_VERIFIER' in os.environ and
-       os.environ['LLVM_ENABLE_MACHINE_VERIFIER'] == "1"):
-        tool_path += " -verify-machineinstrs"
     config.substitutions.append((pattern, tool_pipe + tool_path))
 
+# For tools that are optional depending on the config, we won't warn
+# if they're missing.
+for pattern in [r"\bllvm-go\b",
+                r"\bKaleidoscope-Ch3\b",
+                r"\bKaleidoscope-Ch4\b",
+                r"\bKaleidoscope-Ch5\b",
+                r"\bKaleidoscope-Ch6\b",
+                r"\bKaleidoscope-Ch7\b",
+                r"\bKaleidoscope-Ch8\b"]:
+    tool_name, tool_path, tool_pipe = find_tool_substitution(pattern)
+    if not tool_path:
+        # Provide a substitution anyway, for the sake of consistent errors.
+        tool_path = llvm_tools_dir + '/' + tool_name
+    config.substitutions.append((pattern, tool_pipe + tool_path))
+
+
 ### Targets
 
 config.targets = frozenset(config.targets_to_build.split())
@@ -321,6 +340,8 @@ if config.llvm_use_sanitizer == "Address":
 if (config.llvm_use_sanitizer == "Memory" or
         config.llvm_use_sanitizer == "MemoryWithOrigins"):
     config.available_features.add("msan")
+else:
+    config.available_features.add("not_msan")
 if config.llvm_use_sanitizer == "Undefined":
     config.available_features.add("ubsan")
 else:
@@ -340,17 +361,30 @@ if config.have_zlib == "1":
 else:
     config.available_features.add("nozlib")
 
-# Native compilation: host arch (native) backend built-in
-if config.native_target in config.targets_to_build:
+# LLVM can be configured with an empty default triple
+# Some tests are "generic" and require a valid default triple
+if config.target_triple:
+    config.available_features.add("default_triple")
+    if re.match(r'^x86_64.*-linux', config.target_triple):
+      config.available_features.add("x86_64-linux")
+
+# Native compilation: host arch == default triple arch
+# FIXME: Consider cases that target can be executed
+# even if host_triple were different from target_triple.
+if config.host_triple == config.target_triple:
     config.available_features.add("native")
 
+# Not set for targeting tls-incapable targets.
+if not re.match(r'.*-cygwin$', config.target_triple):
+    config.available_features.add('tls')
+
 import subprocess
 
 def have_ld_plugin_support():
     if not os.path.exists(os.path.join(config.llvm_shlib_dir, 'LLVMgold.so')):
         return False
 
-    ld_cmd = subprocess.Popen([config.gold_executable, '--help'], stdout = subprocess.PIPE)
+    ld_cmd = subprocess.Popen([config.gold_executable, '--help'], stdout = subprocess.PIPE, env={'LANG': 'C'})
     ld_out = ld_cmd.stdout.read().decode()
     ld_cmd.wait()
 
@@ -371,7 +405,7 @@ def have_ld_plugin_support():
     if 'elf32ppc' in emulations:
         config.available_features.add('ld_emu_elf32ppc')
 
-    ld_version = subprocess.Popen([config.gold_executable, '--version'], stdout = subprocess.PIPE)
+    ld_version = subprocess.Popen([config.gold_executable, '--version'], stdout = subprocess.PIPE, env={'LANG': 'C'})
     if not 'GNU gold' in ld_version.stdout.read().decode():
         return False
     ld_version.wait()
@@ -422,6 +456,10 @@ if 'darwin' == sys.platform:
         config.available_features.add('fma3')
     sysctl_cmd.wait()
 
+if platform.system() in ['Windows'] and re.match(r'.*-win32$', config.target_triple):
+    # For tests that require Windows to run.
+    config.available_features.add('system-windows')
+
 # .debug_frame is not emitted for targeting Windows x64.
 if not re.match(r'^x86_64.*-(mingw32|windows-gnu|win32)', config.target_triple):
     config.available_features.add('debug_frame')