[llvm] Further improve LLVM 10 compatibility by using RTLD_DEEPBIND (t…

…aichi-dev#1355) * [misc] Further improve libLLVM-10.so compatibility by using RTLD_DEEPBIND * off-topic * [skip ci] enforce code format * improve error message * [skip ci] enforce code format * [skip ci] Update taichi/ir/expr.cpp Co-authored-by: Yuanming Hu <[email protected]> Co-authored-by: Taichi Gardener <[email protected]> Co-authored-by: Yuanming Hu <[email protected]>
archibate · Jul 2, 2020 · 8faf2b2 · 8faf2b2
1 parent 7438545
commit 8faf2b2
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Showing 3 changed files with 5 additions and 3 deletions.
diff --git a/python/taichi/core/util.py b/python/taichi/core/util.py
@@ -30,7 +30,7 @@ def import_ti_core(tmp_dir=None):
     global ti_core
     if get_os_name() != 'win':
         old_flags = sys.getdlopenflags()
-        sys.setdlopenflags(2)  # 2 = RTLD_NOW
+        sys.setdlopenflags(2 | 8)  # RTLD_NOW | RTLD_DEEPBIND
     else:
         pyddir = os.path.join(package_root(), 'lib')
         os.environ['PATH'] += ';' + pyddir

diff --git a/taichi/backends/opengl/opengl_api.cpp b/taichi/backends/opengl/opengl_api.cpp
@@ -322,7 +322,7 @@ bool initialize_opengl(bool error_tolerance) {
       desc = "Unknown Error";
     if (error_tolerance) {
       // error tolerated, returning false
-      TI_TRACE("[glsl] cannot create GLFW window: error {}: {}", status, desc);
+      TI_DEBUG("[glsl] cannot create GLFW window: error {}: {}", status, desc);
       supported = std::make_optional<bool>(false);
       return false;
     }

diff --git a/taichi/ir/expr.cpp b/taichi/ir/expr.cpp
@@ -179,7 +179,9 @@ Expr load(const Expr &ptr) {
 Expr ptr_if_global(const Expr &var) {
   if (var.is<GlobalVariableExpression>()) {
     // singleton global variable
-    TI_ASSERT(var.snode()->num_active_indices == 0);
+    TI_ASSERT_INFO(
+        var.snode()->num_active_indices == 0,
+        "Please always use 'x[None]' (instead of simply 'x') to access any 0-D tensor."
     return var[ExprGroup()];
   } else {
     // may be any local or global expr