Add cdb test for global constants

Summary: This creates an integration test for global constants

Reviewers: rnk

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62974

llvm-svn: 362745

1 files changed, 33 insertions, 0 deletions

diff --git a/debuginfo-tests/win_cdb/global-constant.cpp b/debuginfo-tests/win_cdb/global-constant.cpp
new file mode 100644
index 00000000000..57423bc9b24
--- /dev/null
+++ b/debuginfo-tests/win_cdb/global-constant.cpp
@@ -0,0 +1,33 @@
+// RUN: %clang_cl %s -o %t.exe -fuse-ld=lld -Z7
+// RUN: grep DE[B]UGGER: %s | sed -e 's/.*DE[B]UGGER: //' > %t.script
+// RUN: %cdb -cf %t.script %t.exe | FileCheck %s --check-prefixes=DEBUGGER,CHECK
+
+// Check that global constants have debug info.
+
+const float TestPi = 3.14;
+struct S {
+  static const char TestCharA = 'a';
+};
+enum TestEnum : int {
+  ENUM_POS = 2147000000,
+  ENUM_NEG = -2147000000,
+};
+void useConst(int) {}
+int main() {
+  useConst(TestPi);
+  useConst(S::TestCharA);
+  useConst(ENUM_NEG);
+  // DEBUGGER: g
+  // DEBUGGER: ?? TestPi
+  // CHECK: float 3.140000105
+  // DEBUGGER: ?? S::TestCharA
+  // CHECK: char 0n97 'a'
+  // DEBUGGER: ?? ENUM_NEG
+  // CHECK: TestEnum ENUM_NEG (0n-2147000000)
+  // Unused constants shouldn't show up in the globals stream.
+  // DEBUGGER: ?? ENUM_POS
+  // CHECK: Couldn't resolve error at 'ENUM_POS'
+  // DEBUGGER: q
+  __debugbreak();
+  return 0;
+}