1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/win64-stackprobe-overflow.ll b/llvm/test/CodeGen/X86/win64-stackprobe-overflow.ll
new file mode 100644
index 00000000000..9555ce032db
--- /dev/null
+++ b/llvm/test/CodeGen/X86/win64-stackprobe-overflow.ll
@@ -0,0 +1,14 @@
+; RUN: llc < %s -mtriple=x86_64-windows-gnu | FileCheck %s
+
+define void @foo() unnamed_addr #0 {
+start:
+  %b = alloca i64, align 8
+  %c = alloca [4294967295 x i8], align 1
+  ret void
+}
+
+attributes #0 = { nonlazybind uwtable "probe-stack"="probe_stack" "target-cpu"="x86-64" }
+
+; CHECK-LABEL: foo:
+; CHECK: movabsq $4294967304, %rax
+; CHECK-NEXT: callq probe_stack