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-rw-r--r--clang/lib/Driver/ToolChain.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index 91b364128c9..e5e17a5659c 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -493,8 +493,10 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
ArchName = "arm";
// Assembly files should start in ARM mode, unless arch is M-profile.
+ // Windows is always thumb.
if ((InputType != types::TY_PP_Asm && Args.hasFlag(options::OPT_mthumb,
- options::OPT_mno_thumb, ThumbDefault)) || IsMProfile) {
+ options::OPT_mno_thumb, ThumbDefault)) || IsMProfile ||
+ getTriple().isOSWindows()) {
if (IsBigEndian)
ArchName = "thumbeb";
else
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