Author: compnerd Date: Wed Dec 5 19:28:37 2018 New Revision: 348454 URL: http://llvm.org/viewvc/llvm-project?rev=348454&view=rev Log: ARM, AArch64: support `__attribute__((__swiftcall__))`
Support the Swift calling convention on Windows ARM and AArch64. Both of these conform to the AAPCS, AAPCS64 calling convention, and LLVM has been adjusted to account for the register usage. Ensure that the frontend passes this into the backend. This allows the swift runtime to be built for Windows. Added: cfe/trunk/test/CodeGen/swift-call-conv.c cfe/trunk/test/Sema/swift-call-conv.c Modified: cfe/trunk/lib/Basic/Targets/AArch64.cpp cfe/trunk/lib/Basic/Targets/ARM.cpp Modified: cfe/trunk/lib/Basic/Targets/AArch64.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/AArch64.cpp?rev=348454&r1=348453&r2=348454&view=diff ============================================================================== --- cfe/trunk/lib/Basic/Targets/AArch64.cpp (original) +++ cfe/trunk/lib/Basic/Targets/AArch64.cpp Wed Dec 5 19:28:37 2018 @@ -514,6 +514,7 @@ WindowsARM64TargetInfo::checkCallingConv case CC_OpenCLKernel: case CC_PreserveMost: case CC_PreserveAll: + case CC_Swift: case CC_Win64: return CCCR_OK; default: Modified: cfe/trunk/lib/Basic/Targets/ARM.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/ARM.cpp?rev=348454&r1=348453&r2=348454&view=diff ============================================================================== --- cfe/trunk/lib/Basic/Targets/ARM.cpp (original) +++ cfe/trunk/lib/Basic/Targets/ARM.cpp Wed Dec 5 19:28:37 2018 @@ -996,6 +996,7 @@ WindowsARMTargetInfo::checkCallingConven case CC_OpenCLKernel: case CC_PreserveMost: case CC_PreserveAll: + case CC_Swift: return CCCR_OK; default: return CCCR_Warning; Added: cfe/trunk/test/CodeGen/swift-call-conv.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/swift-call-conv.c?rev=348454&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/swift-call-conv.c (added) +++ cfe/trunk/test/CodeGen/swift-call-conv.c Wed Dec 5 19:28:37 2018 @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 -triple aarch64-unknown-windows-msvc -emit-llvm %s -o - | FileCheck %s +// RUN: %clang_cc1 -triple thumbv7-unknown-windows-msvc -emit-llvm %s -o - | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-unknown-windows-msvc -emit-llvm %s -o - | FileCheck %s + +// REQUIRES: aarch64-registered-target,arm-registered-target,x86-registered-target + +void __attribute__((__swiftcall__)) f(void) {} +// CHECK-LABEL: define dso_local swiftcc void @f() + Added: cfe/trunk/test/Sema/swift-call-conv.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/swift-call-conv.c?rev=348454&view=auto ============================================================================== --- cfe/trunk/test/Sema/swift-call-conv.c (added) +++ cfe/trunk/test/Sema/swift-call-conv.c Wed Dec 5 19:28:37 2018 @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 -triple aarch64-unknown-windows-msvc -fsyntax-only %s -verify +// RUN: %clang_cc1 -triple thumbv7-unknown-windows-msvc -fsyntax-only %s -verify +// RUN: %clang_cc1 -triple x86_64-unknown-windows-msvc -fsyntax-only %s -verify + +// expected-no-diagnostics + +void __attribute__((__swiftcall__)) f(void) {} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits