commit f6ecf963902978e78d07e1588eeef20dc62dff05
author Alexandros Lamprineas <alexandros.lamprineas@arm.com> Thu Nov 05 17:11:55 2015 +0000
committer Alexandros Lamprineas <alexandros.lamprineas@arm.com> Thu Nov 05 17:11:55 2015 +0000
tree f390f87f5bbe892f029a2f9e4f51c8cab4c41594
parent 8a76b04a6384250f5ac9cb0f9320a39a854ebca3

[ARM] Clang gives unintended warning message for 'mthumb' + M-profiles:

$ clang --target=armv7m-none-eabi -mthumb -march=armv7-m -c test.c
clang-3.8: warning: argument unused during compilation: '-mthumb'

Differential Revision: http://reviews.llvm.org/D14384

llvm-svn: 252175

clang/lib/Driver/ToolChain.cpp

diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index ec62fba..a41a3b2 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -481,9 +481,8 @@
       ArchName = "arm";
 
     // Assembly files should start in ARM mode, unless arch is M-profile.
-    if (IsMProfile || (InputType != types::TY_PP_Asm &&
-         Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)))
-    {
+    if ((InputType != types::TY_PP_Asm && Args.hasFlag(options::OPT_mthumb,
+         options::OPT_mno_thumb, ThumbDefault)) || IsMProfile) {
       if (IsBigEndian)
         ArchName = "thumbeb";
       else