https://github.com/tru updated https://github.com/llvm/llvm-project/pull/150089
>From c198dc74d0b5f37e541d500674dbd0ae164c0fa8 Mon Sep 17 00:00:00 2001
From: Garvit Gupta <garvg...@qti.qualcomm.com>
Date: Tue, 22 Jul 2025 14:23:54 +0530
Subject: [PATCH] Remove extraneous addition of `-X` flag in baremetal
toolchain (#148855)
Commit 597ee88 moved the -X flag to a new position in the baremetal
toolchain's linker job, but unintentionally left the original instance in place.
This patch removes the redundant flag, ensuring -X is passed only once.
(cherry picked from commit 81651e9fd0a744423fc0435f199ef79fb3a91f02)
---
clang/lib/Driver/ToolChains/BareMetal.cpp | 3 ---
clang/test/Driver/baremetal.cpp | 16 ++++++++--------
2 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp
b/clang/lib/Driver/ToolChains/BareMetal.cpp
index e670696cd59ae..497f3330237b9 100644
--- a/clang/lib/Driver/ToolChains/BareMetal.cpp
+++ b/clang/lib/Driver/ToolChains/BareMetal.cpp
@@ -694,9 +694,6 @@ void baremetal::Linker::ConstructJob(Compilation &C, const
JobAction &JA,
NeedCRTs)
CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath(CRTEnd)));
- if (TC.getTriple().isRISCV())
- CmdArgs.push_back("-X");
-
// The R_ARM_TARGET2 relocation must be treated as R_ARM_REL32 on arm*-*-elf
// and arm*-*-eabi (the default is R_ARM_GOT_PREL, used on arm*-*-linux and
// arm*-*-*bsd).
diff --git a/clang/test/Driver/baremetal.cpp b/clang/test/Driver/baremetal.cpp
index 4dc320191317e..adb59e1debd4e 100644
--- a/clang/test/Driver/baremetal.cpp
+++ b/clang/test/Driver/baremetal.cpp
@@ -257,7 +257,7 @@
// CHECK-RV64-SAME:"{{.*}}.o"
// CHECK-RV64-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV64-SAME: "-lc"
-// CHECK-RV64-SAME: "-X" "-o" "{{.*}}.tmp.out"
+// CHECK-RV64-SAME: "-o" "{{.*}}.tmp.out"
// RUN: %clangxx %s -### --target=riscv64-unknown-elf 2>&1 \
// RUN: --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -271,7 +271,7 @@
// CHECK-RV64-DEFAULTCXX-SAME: "-lc++" "-lm"
// CHECK-RV64-DEFAULTCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV64-DEFAULTCXX-SAME: "-lc"
-// CHECK-RV64-DEFAULTCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV64-DEFAULTCXX-SAME: "-o" "a.out"
// RUN: %clangxx %s -### --target=riscv64-unknown-elf 2>&1 \
// RUN: --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -288,7 +288,7 @@
// CHECK-RV64-LIBCXX-SAME: "-lc++" "-lm"
// CHECK-RV64-LIBCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV64-LIBCXX-SAME: "-lc"
-// CHECK-RV64-LIBCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV64-LIBCXX-SAME: "-o" "a.out"
// RUN: %clangxx %s -### 2>&1 --target=riscv64-unknown-elf \
// RUN: --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -305,7 +305,7 @@
// CHECK-RV64-LIBSTDCXX-SAME: "-lstdc++" "-lm"
// CHECK-RV64-LIBSTDCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV64-LIBSTDCXX-SAME: "-lc"
-// CHECK-RV64-LIBSTDCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV64-LIBSTDCXX-SAME: "-o" "a.out"
// RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf \
// RUN: -L some/directory/user/asked/for \
@@ -325,7 +325,7 @@
// CHECK-RV32-SAME: "{{.*}}.o"
// CHECK-RV32-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV32-SAME: "-lc"
-// CHECK-RV32-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-SAME: "-o" "a.out"
// RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
// RUN: --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -339,7 +339,7 @@
// CHECK-RV32-DEFAULTCXX-SAME: "-lc++" "-lm"
// CHECK-RV32-DEFAULTCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV32-DEFAULTCXX-SAME: "-lc"
-// CHECK-RV32-DEFAULTCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-DEFAULTCXX-SAME: "-o" "a.out"
// RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
// RUN: --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -355,7 +355,7 @@
// CHECK-RV32-LIBCXX-SAME: "{{.*}}.o"
// CHECK-RV32-LIBCXX-SAME: "-lc++" "-lm"
// CHECK-RV32-LIBCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
-// CHECK-RV32-LIBCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-LIBCXX-SAME: "-o" "a.out"
// RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
// RUN: --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -372,7 +372,7 @@
// CHECK-RV32-LIBSTDCXX-SAME: "-lstdc++" "-lm"
// CHECK-RV32-LIBSTDCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
// CHECK-RV32-LIBSTDCXX-SAME: "-lc"
-// CHECK-RV32-LIBSTDCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-LIBSTDCXX-SAME: "-o" "a.out"
// RUN: %clang %s -### 2>&1 --target=riscv64-unknown-elf \
// RUN: -nostdlibinc -nobuiltininc \
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