Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

4 files changed, 112 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/lang/c/const_variables/Makefile b/packages/Python/lldbsuite/test/lang/c/const_variables/Makefile
new file mode 100644
index 0000000..51adad1
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/c/const_variables/Makefile
@@ -0,0 +1,7 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c functions.c
+
+CFLAGS_EXTRAS += -O3
+
+include $(LEVEL)/Makefile.rules
diff --git a/packages/Python/lldbsuite/test/lang/c/const_variables/TestConstVariables.py b/packages/Python/lldbsuite/test/lang/c/const_variables/TestConstVariables.py
new file mode 100644
index 0000000..a112b2a
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/c/const_variables/TestConstVariables.py
@@ -0,0 +1,64 @@
+"""Check that compiler-generated constant values work correctly"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class ConstVariableTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailureAll(
+        oslist=["freebsd", "linux"],
+        compiler="clang", compiler_version=["<", "3.5"])
+    @expectedFailureAll(
+        oslist=["freebsd", "linux"],
+        compiler="clang", compiler_version=["=", "3.7"])
+    @expectedFailureAll(
+        oslist=["freebsd", "linux"],
+        compiler="clang", compiler_version=["=", "3.8"])
+    @expectedFailureAll(oslist=["freebsd", "linux"], compiler="icc")
+    @expectedFailureAll(archs=['mips', 'mipsel', 'mips64', 'mips64el'])
+    @expectedFailureWindows("llvm.org/pr24489: Name lookup not working correctly on Windows")
+    @expectedFailureWindows("llvm.org/pr24490: We shouldn't be using platform-specific names like `getpid` in tests")
+    def test_and_run_command(self):
+        """Test interpreted and JITted expressions on constant values."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Break inside the main.
+        lldbutil.run_break_set_by_symbol (self, "main", num_expected_locations=1)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'stop reason = breakpoint'])
+
+        # The breakpoint should have a hit count of 1.
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+            substrs = [' resolved, hit count = 1'])
+
+        self.runCmd("next")
+        self.runCmd("next")
+
+        # Try frame variable.
+        self.expect("frame variable index", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['(int32_t) index = 512'])
+
+        # Try an interpreted expression.
+        self.expect("expr (index + 512)", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['1024'])
+
+        # Try a JITted expression.
+        self.expect("expr (int)getpid(); (index - 256)", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['256'])
+
+        self.runCmd("kill")
diff --git a/packages/Python/lldbsuite/test/lang/c/const_variables/functions.c b/packages/Python/lldbsuite/test/lang/c/const_variables/functions.c
new file mode 100644
index 0000000..c9ea638
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/c/const_variables/functions.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+void foo()
+{
+  printf("foo()\n");
+}
+
+int bar()
+{
+  int ret = 3;
+  printf("bar()->%d\n", ret);
+  return ret;
+}
+
+void baaz(int i)
+{
+  printf("baaz(%d)\n", i);
+}
diff --git a/packages/Python/lldbsuite/test/lang/c/const_variables/main.c b/packages/Python/lldbsuite/test/lang/c/const_variables/main.c
new file mode 100644
index 0000000..50a924e
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/c/const_variables/main.c
@@ -0,0 +1,23 @@
+#include <stdint.h>
+#include <stdio.h>
+
+extern int foo();
+extern int bar();
+extern int baaz(int i);
+
+int main()
+{
+  int32_t index;
+
+  foo();
+
+  index = 512;
+
+  if (bar())
+  {
+    printf("COMPILER PLEASE STOP HERE\n");
+    index = 256;
+  }
+
+  baaz(index);
+}