Vendor import of clang trunk r238337:

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGen/windows-on-arm-stack-probe-size.c b/test/CodeGen/windows-on-arm-stack-probe-size.c
new file mode 100644
index 0000000..c072566
--- /dev/null
+++ b/test/CodeGen/windows-on-arm-stack-probe-size.c
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=8096 -fms-extensions -O2 -emit-llvm %s -o - \
+// RUN:     | FileCheck %s -check-prefix CHECK-8096
+
+// RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=4096 -fms-extensions -O2 -emit-llvm %s -o - \
+// RUN:     | FileCheck %s -check-prefix CHECK-4096
+
+// RUN: %clang_cc1 -triple thumbv7-windows-itanium -fms-extensions -O2 -emit-llvm %s -o - \
+// RUN:     | FileCheck %s -check-prefix CHECK
+
+__declspec(dllimport) void initialise(signed char buffer[4096]);
+
+__declspec(dllexport) signed char function(unsigned index) {
+  signed char buffer[4096];
+  initialise(buffer);
+  return buffer[index];
+}
+
+// CHECK-8096: attributes #0 = {
+// CHECK-8096: "stack-probe-size"="8096"
+// CHECK-8096: }
+
+// CHECK-4096: attributes #0 = {
+// CHECK-4096-NOT: "stack-probe-size"=
+// CHECK-4096: }
+
+// CHECK: attributes #0 = {
+// CHECK-NOT: "stack-probe-size"=
+// CHECK: }