From 0e34f999da1f405c24ff6cb7592f2dee218f8f88 Mon Sep 17 00:00:00 2001
From: Simon Atanasyan <simon@atanasyan.com>
Date: Tue, 8 Aug 2017 21:17:33 +0000
Subject: [PATCH] [mips] Enable `long_call/short_call` attributes on MIPS64

This change enables `long_call/short_call/far/near` attributes on
MIPS64 targets.

Differential revision: https://reviews.llvm.org/D36208

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310418 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/Basic/Attr.td   | 17 +++++++++--------
 test/CodeGen/long-call-attr.c |  1 +
 test/Sema/attr-long-call.c    |  1 +
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/include/clang/Basic/Attr.td b/include/clang/Basic/Attr.td
index 70f6b62aca..22eaa1d494 100644
--- a/include/clang/Basic/Attr.td
+++ b/include/clang/Basic/Attr.td
@@ -264,7 +264,8 @@ class TargetArch<list<string> arches> {
 }
 def TargetARM : TargetArch<["arm", "thumb", "armeb", "thumbeb"]>;
 def TargetAVR : TargetArch<["avr"]>;
-def TargetMips : TargetArch<["mips", "mipsel"]>;
+def TargetMips32 : TargetArch<["mips", "mipsel"]>;
+def TargetAnyMips : TargetArch<["mips", "mipsel", "mips64", "mips64el"]>;
 def TargetMSP430 : TargetArch<["msp430"]>;
 def TargetX86 : TargetArch<["x86"]>;
 def TargetAnyX86 : TargetArch<["x86", "x86_64"]>;
@@ -1160,13 +1161,13 @@ def MSP430Interrupt : InheritableAttr, TargetSpecificAttr<TargetMSP430> {
   let Documentation = [Undocumented];
 }
 
-def Mips16 : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def Mips16 : InheritableAttr, TargetSpecificAttr<TargetMips32> {
   let Spellings = [GCC<"mips16">];
   let Subjects = SubjectList<[Function], ErrorDiag>;
   let Documentation = [Undocumented];
 }
 
-def MipsInterrupt : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def MipsInterrupt : InheritableAttr, TargetSpecificAttr<TargetMips32> {
   // NOTE: If you add any additional spellings, ARMInterrupt's,
   // MSP430Interrupt's and AnyX86Interrupt's spellings must match.
   let Spellings = [GNU<"interrupt">];
@@ -1182,19 +1183,19 @@ def MipsInterrupt : InheritableAttr, TargetSpecificAttr<TargetMips> {
   let Documentation = [MipsInterruptDocs];
 }
 
-def MicroMips : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def MicroMips : InheritableAttr, TargetSpecificAttr<TargetMips32> {
   let Spellings = [GCC<"micromips">];
   let Subjects = SubjectList<[Function], ErrorDiag>;
   let Documentation = [MicroMipsDocs];
 }
 
-def MipsLongCall : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def MipsLongCall : InheritableAttr, TargetSpecificAttr<TargetAnyMips> {
   let Spellings = [GCC<"long_call">, GCC<"far">];
   let Subjects = SubjectList<[Function]>;
   let Documentation = [MipsLongCallStyleDocs];
 }
 
-def MipsShortCall : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def MipsShortCall : InheritableAttr, TargetSpecificAttr<TargetAnyMips> {
   let Spellings = [GCC<"short_call">, GCC<"near">];
   let Subjects = SubjectList<[Function]>;
   let Documentation = [MipsShortCallStyleDocs];
@@ -1276,13 +1277,13 @@ def NoInline : InheritableAttr {
   let Documentation = [Undocumented];
 }
 
-def NoMips16 : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def NoMips16 : InheritableAttr, TargetSpecificAttr<TargetMips32> {
   let Spellings = [GCC<"nomips16">];
   let Subjects = SubjectList<[Function], ErrorDiag>;
   let Documentation = [Undocumented];
 }
 
-def NoMicroMips : InheritableAttr, TargetSpecificAttr<TargetMips> {
+def NoMicroMips : InheritableAttr, TargetSpecificAttr<TargetMips32> {
   let Spellings = [GCC<"nomicromips">];
   let Subjects = SubjectList<[Function], ErrorDiag>;
   let Documentation = [MicroMipsDocs];
diff --git a/test/CodeGen/long-call-attr.c b/test/CodeGen/long-call-attr.c
index e1e528b347..82433caf76 100644
--- a/test/CodeGen/long-call-attr.c
+++ b/test/CodeGen/long-call-attr.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -triple mips-linux-gnu -emit-llvm  -o  - %s | FileCheck %s
+// RUN: %clang_cc1 -triple mips64-linux-gnu -emit-llvm  -o  - %s | FileCheck %s
 
 void __attribute__((long_call)) foo1 (void);
 void __attribute__((short_call)) foo4 (void);
diff --git a/test/Sema/attr-long-call.c b/test/Sema/attr-long-call.c
index b6a828f912..cd3de1bf9e 100644
--- a/test/Sema/attr-long-call.c
+++ b/test/Sema/attr-long-call.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -triple mips-linux-gnu -fsyntax-only -verify %s
+// RUN: %clang_cc1 -triple mips64-linux-gnu -fsyntax-only -verify %s
 
 __attribute__((long_call(0))) void foo1();  // expected-error {{'long_call' attribute takes no arguments}}
 __attribute__((short_call(0))) void foo9();  // expected-error {{'short_call' attribute takes no arguments}}
-- 
2.40.0