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authorHans Wennborg <hans@hanshq.net>2018-02-07 08:56:35 +0000
committerHans Wennborg <hans@hanshq.net>2018-02-07 08:56:35 +0000
commitb010081fcbf4792051bbd0bf31b5b7edbf8cbb9b (patch)
tree83f41357cccfce08f000650f4be399372d330b80
parent11cd7cef1eb109563c480d72d0f7eedc2372a11e (diff)
Merging r324439:
------------------------------------------------------------------------ r324439 | compnerd | 2018-02-07 02:55:08 +0100 (Wed, 07 Feb 2018) | 5 lines AST: support SwiftCC on MS ABI Microsoft has reserved the identifier 'S' as the swift calling convention. Decorate the symbols appropriately. This enables swift on Windows. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@324460 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/AST/MicrosoftMangle.cpp6
-rw-r--r--test/CodeGenCXX/msabi-swiftcall-cc.cpp28
2 files changed, 31 insertions, 3 deletions
diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index 0c55c1a922..b4e7a82eb0 100644
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -950,11 +950,10 @@ void MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND,
}
}
+// <postfix> ::= <unqualified-name> [<postfix>]
+// ::= <substitution> [<postfix>]
void MicrosoftCXXNameMangler::mangleNestedName(const NamedDecl *ND) {
- // <postfix> ::= <unqualified-name> [<postfix>]
- // ::= <substitution> [<postfix>]
const DeclContext *DC = getEffectiveDeclContext(ND);
-
while (!DC->isTranslationUnit()) {
if (isa<TagDecl>(ND) || isa<VarDecl>(ND)) {
unsigned Disc;
@@ -2140,6 +2139,7 @@ void MicrosoftCXXNameMangler::mangleCallingConvention(CallingConv CC) {
case CC_X86StdCall: Out << 'G'; break;
case CC_X86FastCall: Out << 'I'; break;
case CC_X86VectorCall: Out << 'Q'; break;
+ case CC_Swift: Out << 'S'; break;
case CC_X86RegCall: Out << 'w'; break;
}
}
diff --git a/test/CodeGenCXX/msabi-swiftcall-cc.cpp b/test/CodeGenCXX/msabi-swiftcall-cc.cpp
new file mode 100644
index 0000000000..5a5453af8f
--- /dev/null
+++ b/test/CodeGenCXX/msabi-swiftcall-cc.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple i686-unknown-windows-msvc -fdeclspec -emit-llvm %s -o - | FileCheck %s
+
+void __attribute__((__swiftcall__)) f() {}
+// CHECK-DAG: @"\01?f@@YSXXZ"
+
+void (__attribute__((__swiftcall__)) *p)();
+// CHECK-DAG: @"\01?p@@3P6SXXZA"
+
+namespace {
+void __attribute__((__swiftcall__)) __attribute__((__used__)) f() { }
+// CHECK-DAG: "\01?f@?A@@YSXXZ"
+}
+
+namespace n {
+void __attribute__((__swiftcall__)) f() {}
+// CHECK-DAG: "\01?f@n@@YSXXZ"
+}
+
+struct __declspec(dllexport) S {
+ S(const S &) = delete;
+ S & operator=(const S &) = delete;
+ void __attribute__((__swiftcall__)) m() { }
+ // CHECK-DAG: "\01?m@S@@QASXXZ"
+};
+
+void f(void (__attribute__((__swiftcall__))())) {}
+// CHECK-DAG: "\01?f@@YAXP6SXXZ@Z"
+