[WebAssembly] Remove the -target command-line flag from the ld commandline.

This flag isn't needed, or permitted, with the "ld" flavor of lld.

Also, add a basic ld commandline test.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@256216 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 54570286779b1a08470bd47e19831d59529b4f93..efba28cfb5d98dec630928b6fda93bff446a9b54 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -6516,8 +6516,6 @@ void wasm::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   ArgStringList CmdArgs;
   CmdArgs.push_back("-flavor");
   CmdArgs.push_back("ld");
-  CmdArgs.push_back("-target");
-  CmdArgs.push_back(Args.MakeArgString(getToolChain().getTripleString()));
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
   CmdArgs.push_back("-o");
   CmdArgs.push_back(Output.getFilename());

diff --git a/test/Driver/wasm-toolchain.c b/test/Driver/wasm-toolchain.c
new file mode 100644 (file)
index 0000000..6e3d84c
--- /dev/null
+++ b/test/Driver/wasm-toolchain.c
@@ -0,0 +1,3 @@
+// RUN: %clang -### -target wasm32-unknown-unknown -x assembler %s 2>&1 | FileCheck -check-prefix=AS_LINK %s
+// AS_LINK: clang{{.*}}" "-cc1as" {{.*}} "-o" "[[temp:[^"]*]]"
+// AS_LINK: lld" "-flavor" "ld" "[[temp]]" "-o" "a.out"