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From 1cec99f6d53d442d8a8c9d2ed9f4a58f8fdc6412 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 18 Feb 2016 08:30:07 +0100
Subject: [PATCH 1/3] Add Musl, MuslEABI and Musl EABIHF triples
---
include/llvm/ADT/Triple.h | 11 +++++++++++
lib/Support/Triple.cpp | 7 +++++++
lib/Target/ARM/ARMSubtarget.h | 3 +++
lib/Target/ARM/ARMTargetMachine.cpp | 2 ++
4 files changed, 23 insertions(+)
diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index e01db0a..2fc4fc1 100644
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -174,6 +174,10 @@ public:
EABIHF,
Android,
+ Musl,
+ MuslEABI,
+ MuslEABIHF,
+
MSVC,
Itanium,
Cygnus,
@@ -544,6 +548,13 @@ public:
/// Tests whether the target is Android
bool isAndroid() const { return getEnvironment() == Triple::Android; }
+ /// Tests whether the target is musl libc
+ bool isMusl() const {
+ return getEnvironment() == Triple::Musl ||
+ getEnvironment() == Triple::MuslEABI ||
+ getEnvironment() == Triple::MuslEABIHF;
+ }
+
/// @}
/// @name Mutators
/// @{
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 11afcf7..d90a06a 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -199,6 +199,9 @@ const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
case CODE16: return "code16";
case EABI: return "eabi";
case EABIHF: return "eabihf";
+ case Musl: return "musl";
+ case MuslEABIHF: return "muslgnueabihf";
+ case MuslEABI: return "muslgnueabi";
case Android: return "android";
case MSVC: return "msvc";
case Itanium: return "itanium";
@@ -454,6 +457,9 @@ static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
.StartsWith("code16", Triple::CODE16)
.StartsWith("gnu", Triple::GNU)
.StartsWith("android", Triple::Android)
+ .StartsWith("muslgnueabihf", Triple::MuslEABIHF)
+ .StartsWith("muslgnueabi", Triple::MuslEABI)
+ .StartsWith("musl", Triple::Musl)
.StartsWith("msvc", Triple::MSVC)
.StartsWith("itanium", Triple::Itanium)
.StartsWith("cygnus", Triple::Cygnus)
@@ -1431,6 +1437,7 @@ StringRef Triple::getARMCPUForArch(StringRef MArch) const {
switch (getEnvironment()) {
case llvm::Triple::EABIHF:
case llvm::Triple::GNUEABIHF:
+ case llvm::Triple::MuslEABIHF:
return "arm1176jzf-s";
default:
return "arm7tdmi";
diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 4d54e57..7ed7ab7 100644
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -405,8 +405,10 @@ public:
bool isTargetEHABICompatible() const {
return (TargetTriple.getEnvironment() == Triple::EABI ||
TargetTriple.getEnvironment() == Triple::GNUEABI ||
+ TargetTriple.getEnvironment() == Triple::MuslEABI ||
TargetTriple.getEnvironment() == Triple::EABIHF ||
TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
+ TargetTriple.getEnvironment() == Triple::MuslEABIHF ||
isTargetAndroid()) &&
!isTargetDarwin() && !isTargetWindows();
}
@@ -415,6 +417,7 @@ public:
// FIXME: this is invalid for WindowsCE
return TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
TargetTriple.getEnvironment() == Triple::EABIHF ||
+ TargetTriple.getEnvironment() == Triple::MuslEABIHF ||
isTargetWindows() || isAAPCS16_ABI();
}
bool isTargetAndroid() const { return TargetTriple.isAndroid(); }
diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
index fca1901..25f5cf9 100644
--- a/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/lib/Target/ARM/ARMTargetMachine.cpp
@@ -101,6 +101,8 @@ computeTargetABI(const Triple &TT, StringRef CPU,
case llvm::Triple::GNUEABIHF:
case llvm::Triple::EABIHF:
case llvm::Triple::EABI:
+ case llvm::Triple::MuslEABI:
+ case llvm::Triple::MuslEABIHF:
TargetABI = ARMBaseTargetMachine::ARM_ABI_AAPCS;
break;
case llvm::Triple::GNU:
--
2.7.3
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