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From 750d323a6060ad92c3d247f85d6555041f55b4a5 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Thu, 4 Oct 2018 15:26:59 -0500
Subject: [PATCH] Add support for powerpc64-*-linux-musl targets
This patch ensures that 64-bit PowerPC musl targets use ELFv2 ABI on both
endians. It additionally adds a test that big endian PPC64 uses ELFv2 on
musl.
---
lib/Target/PowerPC/PPCTargetMachine.cpp | 4 ++++
test/CodeGen/PowerPC/ppc64-elf-abi.ll | 1 +
2 files changed, 5 insertions(+)
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index 34410393ef6..c583fba8cab 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -228,6 +228,10 @@ static PPCTargetMachine::PPCABI computeTargetABI(const Triple &TT,
case Triple::ppc64le:
return PPCTargetMachine::PPC_ABI_ELFv2;
case Triple::ppc64:
+ // musl uses ELFv2 ABI on both endians.
+ if (TT.getEnvironment() == Triple::Musl)
+ return PPCTargetMachine::PPC_ABI_ELFv2;
+
return PPCTargetMachine::PPC_ABI_ELFv1;
default:
return PPCTargetMachine::PPC_ABI_UNKNOWN;
diff --git a/test/CodeGen/PowerPC/ppc64-elf-abi.ll b/test/CodeGen/PowerPC/ppc64-elf-abi.ll
index 1e17930304b..aa594b37b47 100644
--- a/test/CodeGen/PowerPC/ppc64-elf-abi.ll
+++ b/test/CodeGen/PowerPC/ppc64-elf-abi.ll
@@ -1,6 +1,7 @@
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv1
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=CHECK-ELFv1
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=CHECK-ELFv2
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-musl < %s | FileCheck %s -check-prefix=CHECK-ELFv2
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv2
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=CHECK-ELFv1
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=CHECK-ELFv2
--
2.18.0
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