[clang] [Driver] Remove FreeBSD/riscv32 support (PR #67277)

[Brad Smith via cfe-commits]

https://github.com/brad0 created https://github.com/llvm/llvm-project/pull/67277

FreeBSD does not support riscv32 and has no intention of doing so.

>From f72b48795ea5ceb6e0301460defe361041767013 Mon Sep 17 00:00:00 2001
From: Brad Smith <brad at comstyle.com>
Date: Sun, 24 Sep 2023 22:24:20 -0400
Subject: [PATCH] [Driver] Remove FreeBSD/riscv32 support

FreeBSD does not support riscv32 and has no intention of doing so.
---
 clang/lib/Basic/Targets.cpp                             | 3 ---
 clang/lib/Driver/ToolChains/FreeBSD.cpp                 | 5 -----
 clang/test/Driver/freebsd.c                             | 3 ---
 clang/test/Preprocessor/predefined-macros-no-warnings.c | 1 -
 4 files changed, 12 deletions(-)

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 35d1d0d2c45c530..80822f65662850d 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -430,9 +430,6 @@ std::unique_ptr<TargetInfo> AllocateTarget(const llvm::Triple &Triple,
 
   case llvm::Triple::riscv32:
     switch (os) {
-    case llvm::Triple::FreeBSD:
-      return std::make_unique<FreeBSDTargetInfo<RISCV32TargetInfo>>(Triple,
-                                                                    Opts);
     case llvm::Triple::NetBSD:
       return std::make_unique<NetBSDTargetInfo<RISCV32TargetInfo>>(Triple,
                                                                    Opts);
diff --git a/clang/lib/Driver/ToolChains/FreeBSD.cpp b/clang/lib/Driver/ToolChains/FreeBSD.cpp
index 4c46861bbbd74ef..67a8bb863b3b6b0 100644
--- a/clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ b/clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -210,11 +210,6 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     else
       CmdArgs.push_back("elf64ltsmip_fbsd");
     break;
-  case llvm::Triple::riscv32:
-    CmdArgs.push_back("-m");
-    CmdArgs.push_back("elf32lriscv");
-    CmdArgs.push_back("-X");
-    break;
   case llvm::Triple::riscv64:
     CmdArgs.push_back("-m");
     CmdArgs.push_back("elf64lriscv");
diff --git a/clang/test/Driver/freebsd.c b/clang/test/Driver/freebsd.c
index 8ac0cb011638a8a..afa0a17249851b3 100644
--- a/clang/test/Driver/freebsd.c
+++ b/clang/test/Driver/freebsd.c
@@ -73,9 +73,6 @@
 //
 // Check that RISC-V passes the correct linker emulation.
 //
-// RUN: %clang --target=riscv32-freebsd -### %s %s 2>&1 \
-// RUN:   | FileCheck --check-prefix=CHECK-RV32I-LD %s
-// CHECK-RV32I-LD: ld{{.*}}" {{.*}} "-m" "elf32lriscv"
 // RUN: %clang --target=riscv64-freebsd -### %s %s 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-RV64I-LD %s
 // CHECK-RV64I-LD: ld{{.*}}" {{.*}} "-m" "elf64lriscv"
diff --git a/clang/test/Preprocessor/predefined-macros-no-warnings.c b/clang/test/Preprocessor/predefined-macros-no-warnings.c
index 56573af6fc7ba82..e0617f8de4da385 100644
--- a/clang/test/Preprocessor/predefined-macros-no-warnings.c
+++ b/clang/test/Preprocessor/predefined-macros-no-warnings.c
@@ -103,7 +103,6 @@
 // RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple amdgcn
 // RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple r600
 // RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple riscv32
-// RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple riscv32-freebsd
 // RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple riscv32-linux
 // RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple riscv64
 // RUN: %clang_cc1 %s -Eonly -Wsystem-headers -Werror -triple riscv64-freebsd