Basic: fix handling for Windows Itanium environment

This corrects the handling for i686-windows-itanium.  This environment is nearly
identical to Windows MSVC, except it uses the itanium ABI for C++.

llvm-svn: 211991

2 files changed, 16 insertions, 0 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 8312ff3d16e..dae4f767f87 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -6301,6 +6301,7 @@ static TargetInfo *AllocateTarget(const llvm::Triple &Triple) {
         return new CygwinX86_32TargetInfo(Triple);
       case llvm::Triple::GNU:
         return new MinGWX86_32TargetInfo(Triple);
+      case llvm::Triple::Itanium:
       case llvm::Triple::MSVC:
         return new MicrosoftX86_32TargetInfo(Triple);
       }
diff --git a/clang/test/CodeGen/windows-itanium.c b/clang/test/CodeGen/windows-itanium.c
new file mode 100644
index 00000000000..7f0e7b135d2
--- /dev/null
+++ b/clang/test/CodeGen/windows-itanium.c
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -triple i686-windows-itanium -emit-llvm %s -o - \
+// RUN:    | FileCheck %s -check-prefix CHECK-C -check-prefix CHECK
+
+// RUN: %clang_cc1 -triple i686-windows-itanium -emit-llvm -x c++ %s -o - \
+// RUN:    | FileCheck %s -check-prefix CHECK-CXX -check-prefix CHECK
+
+int function() {
+  return 32;
+}
+
+// CHECK-C: define i32 @function() {{.*}} {
+// CHECK-CXX: define i32 @_Z8functionv() {{.*}} {
+// CHECK:   ret i32 32
+// CHECK: }
+