Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

4 files changed, 78 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/Makefile
new file mode 100644
index 00000000000..806c96740af
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/Makefile
@@ -0,0 +1,8 @@
+include Makefile.rules
+
+a.out: globals.ll
+	$(CC) $(CFLAGS) -g -c $^ -o globals.o
+	$(LD) $(LDFLAGS) -g globals.o -o $@
+
+clean::
+	rm -rf globals.o a.out *.dSYM
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/TestTargetVar.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/TestTargetVar.py
new file mode 100644
index 00000000000..f8c2a690147
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/TestTargetVar.py
@@ -0,0 +1,22 @@
+"""
+Test that target var can resolve complex DWARF expressions.
+"""
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class targetCommandTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @skipUnlessDarwin
+    @skipIfDarwinEmbedded           # needs x86_64
+    @skipIf(debug_info="gmodules")  # not relevant
+    @skipIf(compiler="clang", compiler_version=['<', '7.0'])
+    def testTargetVarExpr(self):
+        self.build()
+        lldbutil.run_to_name_breakpoint(self, 'main')
+        self.expect("target variable i", substrs=['i', '42'])
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/globals.c b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/globals.c
new file mode 100644
index 00000000000..26619284964
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/globals.c
@@ -0,0 +1,6 @@
+int i = 42;
+int *p = &i;
+
+int main() {
+  return *p;
+}
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/globals.ll b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/globals.ll
new file mode 100644
index 00000000000..192d4e12698
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/target_var/globals.ll
@@ -0,0 +1,42 @@
+source_filename = "globals.c"
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.14.0"
+
+@i = global i32 42, align 4
+@p = global i32* @i, align 8, !dbg !0, !dbg !6
+
+; Function Attrs: noinline nounwind optnone ssp uwtable
+define i32 @main() #0 !dbg !15 {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval, align 4
+  %0 = load i32*, i32** @p, align 8, !dbg !18
+  %1 = load i32, i32* %0, align 4, !dbg !18
+  ret i32 %1, !dbg !18
+}
+
+attributes #0 = { noinline nounwind optnone ssp uwtable }
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!10, !11, !12, !13}
+!llvm.ident = !{!14}
+
+!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression(DW_OP_deref))
+!1 = distinct !DIGlobalVariable(name: "i", scope: !2, file: !3, line: 1, type: !9, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, emissionKind: FullDebug, globals: !5)
+!3 = !DIFile(filename: "globals.c", directory: "/")
+!4 = !{}
+!5 = !{!0, !6}
+!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
+!7 = distinct !DIGlobalVariable(name: "p", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
+!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
+!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!10 = !{i32 2, !"Dwarf Version", i32 4}
+!11 = !{i32 2, !"Debug Info Version", i32 3}
+!12 = !{i32 1, !"wchar_size", i32 4}
+!13 = !{i32 7, !"PIC Level", i32 2}
+!14 = !{!"clang version 8.0.0 (trunk 340838) (llvm/trunk 340843)"}
+!15 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !16, isLocal: false, isDefinition: true, scopeLine: 4, isOptimized: false, unit: !2, retainedNodes: !4)
+!16 = !DISubroutineType(types: !17)
+!17 = !{!9}
+!18 = !DILocation(line: 5, scope: !15)