[clang] [llvm] [Triple] Simplify ELFv2 ABI and Secure PLT handling for FreeBSD (PR #233047)

[Brad Smith via cfe-commits]

https://github.com/brad0 updated https://github.com/llvm/llvm-project/pull/233047

>From 3ee98a75861817615a545bc1ea81be8a1898b2fa Mon Sep 17 00:00:00 2001
From: Brad Smith <brad at comstyle.com>
Date: Wed, 21 Oct 2026 06:42:29 -0400
Subject: [PATCH] [Triple] Simplify ELFv2 ABI and Secure PLT handling for
 FreeBSD

FreeBSD 13 is the baseline supported version and it uses the
ELFv2 ABI on big-endian powerpc64 and Secure PLT on 32-bit
powerpc, so drop the OS version checks and treat all FreeBSD
targets as using them.
---
 clang/test/Driver/ppc-abi.c                |  4 ----
 llvm/include/llvm/TargetParser/Triple.h    | 13 +++++--------
 llvm/test/CodeGen/PowerPC/ppc64-elf-abi.ll |  1 -
 3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/clang/test/Driver/ppc-abi.c b/clang/test/Driver/ppc-abi.c
index a433f4c0f5d8fc..804fe4cbbc2fa5 100644
--- a/clang/test/Driver/ppc-abi.c
+++ b/clang/test/Driver/ppc-abi.c
@@ -20,10 +20,6 @@
 // RUN: %clang --target=ppc64 -mabi=elfv2 %s -### -o %t.o 2>&1 \
 // RUN: | FileCheck -check-prefix=CHECK-UNKNOWN-ELFv2 %s
 
-// RUN: %clang -target powerpc64-unknown-freebsd11 %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv1 %s
-// RUN: %clang -target powerpc64-unknown-freebsd12 %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv1 %s
-// RUN: %clang -target powerpc64-unknown-freebsd13 %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv2-BE %s
-// RUN: %clang -target powerpc64-unknown-freebsd14 %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv2-BE %s
 // RUN: %clang -target powerpc64-unknown-freebsd %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv2-BE %s
 // RUN: %clang -target powerpc64le-unknown-freebsd13 %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv2 %s
 // RUN: %clang -target powerpc64-unknown-openbsd %s -### 2>&1 | FileCheck --check-prefix=CHECK-ELFv2-BE-PIE %s
diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
index 6fb2904def2e52..ad1b654dc4076e 100644
--- a/llvm/include/llvm/TargetParser/Triple.h
+++ b/llvm/include/llvm/TargetParser/Triple.h
@@ -1155,19 +1155,16 @@ class Triple {
 
   /// Tests whether the target 64-bit PowerPC big endian ABI is ELFv2.
   bool isPPC64ELFv2ABI() const {
-    return (getArch() == Triple::ppc64 &&
-            ((getOS() == Triple::FreeBSD &&
-              (getOSMajorVersion() >= 13 || getOSVersion().empty())) ||
-             getOS() == Triple::OpenBSD || isMusl()));
+    return (
+        getArch() == Triple::ppc64 &&
+        (getOS() == Triple::FreeBSD || getOS() == Triple::OpenBSD || isMusl()));
   }
 
   /// Tests whether the target 32-bit PowerPC uses Secure PLT.
   bool isPPC32SecurePlt() const {
     return ((getArch() == Triple::ppc || getArch() == Triple::ppcle) &&
-            ((getOS() == Triple::FreeBSD &&
-              (getOSMajorVersion() >= 13 || getOSVersion().empty())) ||
-             getOS() == Triple::NetBSD || getOS() == Triple::OpenBSD ||
-             isMusl()));
+            (getOS() == Triple::FreeBSD || getOS() == Triple::NetBSD ||
+             getOS() == Triple::OpenBSD || isMusl()));
   }
 
   /// Tests whether the target is 32-bit RISC-V.
diff --git a/llvm/test/CodeGen/PowerPC/ppc64-elf-abi.ll b/llvm/test/CodeGen/PowerPC/ppc64-elf-abi.ll
index d418194b338f0f..0c30605d051c39 100644
--- a/llvm/test/CodeGen/PowerPC/ppc64-elf-abi.ll
+++ b/llvm/test/CodeGen/PowerPC/ppc64-elf-abi.ll
@@ -7,7 +7,6 @@
 
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-linux-musl < %s | FileCheck %s -check-prefix=CHECK-ELFv2
 
-; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-freebsd12 < %s | FileCheck %s -check-prefix=CHECK-ELFv1
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-freebsd < %s | FileCheck %s -check-prefix=CHECK-ELFv2
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-freebsd -target-abi elfv1 < %s | FileCheck %s -check-prefix=CHECK-ELFv1
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-freebsd -target-abi elfv2 < %s | FileCheck %s -check-prefix=CHECK-ELFv2