[dsymutil] Timestmap verification for __swift_ast

This patch adds timestamp verification for swiftmodule files.

 - A new flag is provided to allows us to continue testing of the code
   for embedding the__swift_ast. (git doesn't maintain timestamps)
 - Adds a new test for fat (arm) binaries.

Differential revision: https://reviews.llvm.org/D38686

llvm-svn: 315456

3 files changed, 34 insertions, 3 deletions

diff --git a/llvm/test/tools/dsymutil/ARM/swift-ast.test b/llvm/test/tools/dsymutil/ARM/swift-ast.test
new file mode 100644
index 00000000000..bd33e7af436
--- /dev/null
+++ b/llvm/test/tools/dsymutil/ARM/swift-ast.test
@@ -0,0 +1,26 @@
+RUN: llvm-dsymutil -oso-prepend-path %p/.. %p/../Inputs/swift-ast.macho.fat -o %T/swift-ast.dSYM -verbose -no-swiftmodule-timestamp | FileCheck %s --check-prefix=DSYMUTIL
+RUN: llvm-readobj -sections -section-data %T/swift-ast.dSYM/Contents/Resources/DWARF/swift-ast.macho.fat | FileCheck %s --check-prefix=READOBJ
+
+The tested object file has been created by the dummy Swift code:
+let x = 1
+
+Compiled with:
+  swiftc /tmp/test.swift -Onone -target armv7-apple-ios8.1 -c -o swift-ast-armv7.o
+  ld swift-ast-armv7.o -add_ast_path swift-ast.swiftmodule -arch armv7 -ios_version_min 8.1  -syslibroot /path/to/iPhoneOS.sdk -L/path/to/usr/lib/swift/iphoneos -lobjc -lSystem -o swift-ast.macho.armv7
+
+  swiftc /tmp/test.swift -Onone -target arm64-apple-ios8.1 -c -o swift-ast-arm64.o
+  ld swift-ast-arm64.o -add_ast_path swift-ast.swiftmodule -arch arm64 -ios_version_min 8.1  -syslibroot /path/to/iPhoneOS.sdk -L/path/to/usr/lib/swift/iphoneos -lobjc -lSystem -o swift-ast.macho.arm64
+
+  lipo -create swift-ast.macho.armv7 swift-ast.macho.arm64 -o swift-ast.macho.fat
+
+DSYMUTIL: filename:{{.*}}swift-ast.swiftmodule
+DSYMUTIL: DEBUG MAP OBJECT:{{.*}}swift-ast.swiftmodule
+
+READOBJ: Name:{{.*}}__swift_ast
+READOBJ: |SWIFTMODULE DATA|
+READOBJ-NEXT: |.|
+READOBJ: |SWIFTMODULE DATA|
+READOBJ-NEXT: |.|
+
+RUN: llvm-dsymutil -oso-prepend-path %p/.. %p/../Inputs/swift-ast.macho.fat -no-output -verbose 2>&1 | FileCheck %s --check-prefix=TIMESTAMP
+TIMESTAMP: Warning: Timestamp mismatch
diff --git a/llvm/test/tools/dsymutil/Inputs/swift-ast.macho.fat b/llvm/test/tools/dsymutil/Inputs/swift-ast.macho.fat
new file mode 100755
index 00000000000..a3f8d369d02
--- /dev/null
+++ b/llvm/test/tools/dsymutil/Inputs/swift-ast.macho.fat
diff --git a/llvm/test/tools/dsymutil/X86/swift-ast-x86_64.test b/llvm/test/tools/dsymutil/X86/swift-ast-x86_64.test
index 72fc7520b73..98d3850efb0 100644
--- a/llvm/test/tools/dsymutil/X86/swift-ast-x86_64.test
+++ b/llvm/test/tools/dsymutil/X86/swift-ast-x86_64.test
@@ -1,14 +1,19 @@
-RUN: llvm-dsymutil -oso-prepend-path %p/.. %p/../Inputs/swift-ast.macho.x86_64 -o %T/swift-ast.dSYM -verbose | FileCheck %s --check-prefix=DSYMUTIL
+RUN: llvm-dsymutil -oso-prepend-path %p/.. %p/../Inputs/swift-ast.macho.x86_64 -o %T/swift-ast.dSYM -verbose -no-swiftmodule-timestamp | FileCheck %s --check-prefix=DSYMUTIL
 RUN: llvm-readobj -sections -section-data %T/swift-ast.dSYM/Contents/Resources/DWARF/swift-ast.macho.x86_64 | FileCheck %s --check-prefix=READOBJ
 
 The tested object file has been created by the dummy Swift code:
 let x = 1
 
-Compiled with: swiftc /tmp/test.swift -Onone -target x86_64-apple-macosx10.9 -c
-Linked with: ld swift-ast.o -add_ast_path Inputs/swift-ast.swiftmodule -arch x86_64 -lSystem -macosx_version_min 10.9.0
+Compiled with:
+  swiftc /tmp/test.swift -Onone -target x86_64-apple-macosx10.9 -c
+  ld swift-ast.o -add_ast_path Inputs/swift-ast.swiftmodule -arch x86_64 -lSystem -macosx_version_min 10.9.0
 
 DSYMUTIL: filename:{{.*}}swift-ast.swiftmodule
 DSYMUTIL: DEBUG MAP OBJECT:{{.*}}swift-ast.swiftmodule
 
 READOBJ: Name:{{.*}}__swift_ast
 READOBJ: |SWIFTMODULE DATA|
+READOBJ-NEXT: |.|
+
+RUN: llvm-dsymutil -oso-prepend-path %p/.. %p/../Inputs/swift-ast.macho.x86_64 -no-output -verbose 2>&1 | FileCheck %s --check-prefix=TIMESTAMP
+TIMESTAMP: Warning: Timestamp mismatch