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-rw-r--r--clang/lib/Driver/Driver.cpp2
-rw-r--r--clang/test/Driver/dxc_stdin.hlsl3
2 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 60f5eed..150040cc 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -2648,6 +2648,8 @@ void Driver::BuildInputs(const ToolChain &TC, DerivedArgList &Args,
if (memcmp(Value, "-", 2) == 0) {
if (IsFlangMode()) {
Ty = types::TY_Fortran;
+ } else if (IsDXCMode()) {
+ Ty = types::TY_HLSL;
} else {
// If running with -E, treat as a C input (this changes the
// builtin macros, for example). This may be overridden by -ObjC
diff --git a/clang/test/Driver/dxc_stdin.hlsl b/clang/test/Driver/dxc_stdin.hlsl
new file mode 100644
index 0000000..98055b4
--- /dev/null
+++ b/clang/test/Driver/dxc_stdin.hlsl
@@ -0,0 +1,3 @@
+// RUN: %clang_dxc -Tlib_6_7 - -### 2>&1 | FileCheck %s
+// CHECK: "-cc1"
+// CHECK-SAME: "-x" "hlsl" "-"