Author: hans Date: Fri Oct 26 06:05:45 2018 New Revision: 345380 URL: http://llvm.org/viewvc/llvm-project?rev=345380&view=rev Log: Revert r345330 "Add MS ABI mangling for operator<=>."
The generated MS manglings differ between 32- and 64-bit, and the test only expects the latter. See also the commit email thread. > Thanks to Cameron DaCamara at Microsoft for letting us know what their > chosen mangling is here! Removed: cfe/trunk/test/CodeGenCXX/mangle-ms-cxx2a.cpp Modified: cfe/trunk/lib/AST/MicrosoftMangle.cpp cfe/trunk/test/CodeGenCXX/cxx2a-three-way-comparison.cpp Modified: cfe/trunk/lib/AST/MicrosoftMangle.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/MicrosoftMangle.cpp?rev=345380&r1=345379&r2=345380&view=diff ============================================================================== --- cfe/trunk/lib/AST/MicrosoftMangle.cpp (original) +++ cfe/trunk/lib/AST/MicrosoftMangle.cpp Fri Oct 26 06:05:45 2018 @@ -1240,8 +1240,15 @@ void MicrosoftCXXNameMangler::mangleOper case OO_Array_Delete: Out << "?_V"; break; // <operator-name> ::= ?__L # co_await case OO_Coawait: Out << "?__L"; break; - // <operator-name> ::= ?__M # <=> - case OO_Spaceship: Out << "?__M"; break; + + case OO_Spaceship: { + // FIXME: Once MS picks a mangling, use it. + DiagnosticsEngine &Diags = Context.getDiags(); + unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, + "cannot mangle this three-way comparison operator yet"); + Diags.Report(Loc, DiagID); + break; + } case OO_Conditional: { DiagnosticsEngine &Diags = Context.getDiags(); Modified: cfe/trunk/test/CodeGenCXX/cxx2a-three-way-comparison.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/cxx2a-three-way-comparison.cpp?rev=345380&r1=345379&r2=345380&view=diff ============================================================================== --- cfe/trunk/test/CodeGenCXX/cxx2a-three-way-comparison.cpp (original) +++ cfe/trunk/test/CodeGenCXX/cxx2a-three-way-comparison.cpp Fri Oct 26 06:05:45 2018 @@ -1,28 +1,24 @@ -// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | FileCheck %s --check-prefixes=CHECK,ITANIUM -// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %ms_abi_triple | FileCheck %s --check-prefixes=CHECK,MSABI +// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | FileCheck %s --check-prefix=ITANIUM +// RUN: not %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %ms_abi_triple 2>&1 | FileCheck %s --check-prefix=MSABI // RUN: not %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple -DBUILTIN 2>&1 | FileCheck %s --check-prefix=BUILTIN -// RUN: not %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %ms_abi_triple -DBUILTIN 2>&1 | FileCheck %s --check-prefix=BUILTIN +// MSABI: cannot mangle this three-way comparison operator yet struct A { void operator<=>(int); }; // ITANIUM: define {{.*}}@_ZN1AssEi( -// MSABI: define {{.*}}@"??__MA@@QEAAXH@Z"( void A::operator<=>(int) {} // ITANIUM: define {{.*}}@_Zssi1A( -// MSABI: define {{.*}}@"??__M@YAXHUA@@@Z"( void operator<=>(int, A) {} int operator<=>(A, A); // ITANIUM: define {{.*}}_Z1f1A( -// MSABI: define {{.*}}"?f@@YAHUA@@@Z"( int f(A a) { // ITANIUM: %[[RET:.*]] = call {{.*}}_Zss1AS_( - // MSABI: %[[RET:.*]] = call {{.*}}"??__M@YAHUA@@0@Z"( - // CHECK: ret i32 %[[RET]] + // ITANIUM: ret i32 %[[RET]] return a <=> a; } Removed: cfe/trunk/test/CodeGenCXX/mangle-ms-cxx2a.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/mangle-ms-cxx2a.cpp?rev=345379&view=auto ============================================================================== --- cfe/trunk/test/CodeGenCXX/mangle-ms-cxx2a.cpp (original) +++ cfe/trunk/test/CodeGenCXX/mangle-ms-cxx2a.cpp (removed) @@ -1,6 +0,0 @@ -// RUN: %clang_cc1 -std=c++2a -fms-extensions -emit-llvm %s -o - -triple=i386-pc-win32 -fms-compatibility-version=19.00 | FileCheck %s - -struct A {}; - -// CHECK-DAG: define {{.*}} @"??__M@YAXUA@@0@Z" -void operator<=>(A, A) {} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits