[Driver] Make -X default for baremetal riscv

Differential Revision: https://reviews.llvm.org/D145725

diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp
index 3175b15..c935758 100644 (file)
--- a/clang/lib/Driver/ToolChains/BareMetal.cpp
+++ b/clang/lib/Driver/ToolChains/BareMetal.cpp
@@ -339,6 +339,9 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     TC.AddLinkRuntimeLib(Args, CmdArgs);
   }
 
+  if (TC.getTriple().isRISCV())
+    CmdArgs.push_back("-X");
+
   CmdArgs.push_back("-o");
   CmdArgs.push_back(Output.getFilename());
 

diff --git a/clang/test/Driver/baremetal.cpp b/clang/test/Driver/baremetal.cpp
index 24890e8..7f23344 100644 (file)
--- a/clang/test/Driver/baremetal.cpp
+++ b/clang/test/Driver/baremetal.cpp
@@ -135,7 +135,7 @@
 // CHECK-RV64-SAME: "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
 // CHECK-RV64-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}lib"
 // CHECK-RV64-SAME: "-L[[RESOURCE_DIR:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
-// CHECK-RV64-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-o" "{{.*}}.tmp.out"
+// CHECK-RV64-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-X" "-o" "{{.*}}.tmp.out"
 
 // RUN: %clangxx %s -### --target=riscv64-unknown-elf 2>&1 \
 // RUN:     --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -145,7 +145,7 @@
 // CHECK-RV64-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV64-DEFAULTCXX-SAME: "-L[[RESOURCE_DIR]]{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
 // CHECK-RV64-DEFAULTCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
-// CHECK-RV64-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-o" "a.out"
+// CHECK-RV64-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-X" "-o" "a.out"
 
 // RUN: %clangxx %s -### --target=riscv64-unknown-elf 2>&1 \
 // RUN:     --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -158,7 +158,7 @@
 // CHECK-RV64-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV64-LIBCXX-SAME: "-L[[RESOURCE_DIR]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
 // CHECK-RV64-LIBCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
-// CHECK-RV64-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-o" "a.out"
+// CHECK-RV64-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-X" "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv64-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -171,7 +171,7 @@
 // CHECK-RV64-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV64-LIBSTDCXX-SAME: "-L[[RESOURCE_DIR]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
 // CHECK-RV64-LIBSTDCXX-SAME: "-lstdc++" "-lsupc++" "-lunwind"
-// CHECK-RV64-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-o" "a.out"
+// CHECK-RV64-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv64" "-X" "-o" "a.out"
 
 // RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     -L some/directory/user/asked/for \
@@ -187,7 +187,7 @@
 // CHECK-RV32-SAME: "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
 // CHECK-RV32-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}lib"
 // CHECK-RV32-SAME: "-L[[RESOURCE_DIR:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
-// CHECK-RV32-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-o" "a.out"
+// CHECK-RV32-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-X" "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -197,7 +197,7 @@
 // CHECK-RV32-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV32-DEFAULTCXX-SAME: "-L[[RESOURCE_DIR]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
 // CHECK-RV32-DEFAULTCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
-// CHECK-RV32-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-o" "a.out"
+// CHECK-RV32-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-X" "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -210,7 +210,7 @@
 // CHECK-RV32-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV32-LIBCXX-SAME: "-L[[RESOURCE_DIR]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
 // CHECK-RV32-LIBCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
-// CHECK-RV32-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-o" "a.out"
+// CHECK-RV32-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-X" "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -223,7 +223,7 @@
 // CHECK-RV32-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV32-LIBSTDCXX-SAME: "-L[[RESOURCE_DIR]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
 // CHECK-RV32-LIBSTDCXX-SAME: "-lstdc++" "-lsupc++" "-lunwind"
-// CHECK-RV32-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-o" "a.out"
+// CHECK-RV32-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-riscv32" "-X" "-o" "a.out"
 
 // RUN: %clang %s -### 2>&1 --target=riscv64-unknown-elf \
 // RUN:     -nostdlibinc -nobuiltininc \