From 2b1bc151cb3d274c5bd4bcae27986068f9e88942 Mon Sep 17 00:00:00 2001
From: Ben Langmuir <blangmuir@apple.com>
Date: Thu, 27 Feb 2014 23:27:54 +0000
Subject: Honour 'use-external-names' in FileManager

Pass through the externally-visible names that we got from the VFS down
to FileManager, and test that this is the name showing up in __FILE__,
diagnostics, and debug information.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@202442 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/VFS/Inputs/external-names.h        |  4 ++++
 test/VFS/Inputs/use-external-names.yaml |  7 +++++++
 test/VFS/external-names.c               | 35 +++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+)
 create mode 100644 test/VFS/Inputs/external-names.h
 create mode 100644 test/VFS/Inputs/use-external-names.yaml
 create mode 100644 test/VFS/external-names.c

(limited to 'test')

diff --git a/test/VFS/Inputs/external-names.h b/test/VFS/Inputs/external-names.h
new file mode 100644
index 0000000000..8b0baa3f02
--- /dev/null
+++ b/test/VFS/Inputs/external-names.h
@@ -0,0 +1,4 @@
+void foo(char **c) {
+  *c = __FILE__;
+  int x = c; // produce a diagnostic
+}
diff --git a/test/VFS/Inputs/use-external-names.yaml b/test/VFS/Inputs/use-external-names.yaml
new file mode 100644
index 0000000000..b9ea6342cf
--- /dev/null
+++ b/test/VFS/Inputs/use-external-names.yaml
@@ -0,0 +1,7 @@
+{
+  'version': 0,
+  'use-external-names': EXTERNAL_NAMES,
+  'roots': [{ 'type': 'file', 'name': 'OUT_DIR/external-names.h',
+             'external-contents': 'INPUT_DIR/external-names.h'
+           }]
+}
diff --git a/test/VFS/external-names.c b/test/VFS/external-names.c
new file mode 100644
index 0000000000..aa0bd67453
--- /dev/null
+++ b/test/VFS/external-names.c
@@ -0,0 +1,35 @@
+// RUN: sed -e "s:INPUT_DIR:%S/Inputs:g" -e "s:OUT_DIR:%t:g" -e "s:EXTERNAL_NAMES:true:" %S/Inputs/use-external-names.yaml > %t.external.yaml
+// RUN: sed -e "s:INPUT_DIR:%S/Inputs:g" -e "s:OUT_DIR:%t:g" -e "s:EXTERNAL_NAMES:false:" %S/Inputs/use-external-names.yaml > %t.yaml
+// REQUIRES: shell
+
+#include "external-names.h"
+
+////
+// Preprocessor (__FILE__ macro and # directives):
+
+// RUN: %clang_cc1 -I %t -ivfsoverlay %t.external.yaml -E %s | FileCheck -check-prefix=CHECK-PP-EXTERNAL %s
+// CHECK-PP-EXTERNAL: # {{[0-9]*}} "[[NAME:.*Inputs.external-names.h]]"
+// CHECK-PP-EXTERNAL-NEXT: void foo(char **c) {
+// CHECK-PP-EXTERNAL-NEXT: *c = "[[NAME]]";
+
+// RUN: %clang_cc1 -I %t -ivfsoverlay %t.yaml -E %s | FileCheck -check-prefix=CHECK-PP %s
+// CHECK-PP-NOT: Inputs
+
+////
+// Diagnostics:
+
+// RUN: %clang_cc1 -I %t -ivfsoverlay %t.external.yaml -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-DIAG-EXTERNAL %s
+// CHECK-DIAG-EXTERNAL: {{.*}}Inputs{{.}}external-names.h:{{[0-9]*:[0-9]*}}: warning: incompatible pointer
+
+// RUN: %clang_cc1 -I %t -ivfsoverlay %t.yaml -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-DIAG %s
+// CHECK-DIAG-NOT: Inputs
+
+////
+// Debug info
+
+// RUN: %clang_cc1 -I %t -ivfsoverlay %t.external.yaml -triple %itanium_abi_triple -g -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-DEBUG-EXTERNAL %s
+// CHECK-DEBUG-EXTERNAL: ![[Num:[0-9]*]] = metadata !{metadata !"{{.*}}Inputs{{.}}external-names.h
+// CHECK-DEBUG-EXTERNAL: metadata !{i32 {{[0-9]*}}, metadata ![[Num]]{{.*}}DW_TAG_file_type
+
+// RUN: %clang_cc1 -I %t -ivfsoverlay %t.yaml -triple %itanium_abi_triple -g -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-DEBUG %s
+// CHECK-DEBUG-NOT: Inputs
-- 
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