1 files changed, 27 insertions, 0 deletions
diff --git a/tests/assembly-llvm/x86_64-floating-point-clamp.rs b/tests/assembly-llvm/x86_64-floating-point-clamp.rs
new file mode 100644
index 00000000000..6b0c29c5f21
--- /dev/null
+++ b/tests/assembly-llvm/x86_64-floating-point-clamp.rs
@@ -0,0 +1,27 @@
+// Floating-point clamp is designed to be implementable as max+min,
+// so check to make sure that's what it's actually emitting.
+
+//@ assembly-output: emit-asm
+// Set the base cpu explicitly, in case the default has been changed.
+//@ compile-flags: --crate-type=lib -Copt-level=3 -C llvm-args=-x86-asm-syntax=intel -C target-cpu=x86-64
+//@ only-x86_64
+//@ ignore-sgx
+
+// CHECK-LABEL: clamp_demo:
+#[no_mangle]
+pub fn clamp_demo(a: f32, x: f32, y: f32) -> f32 {
+    // CHECK: maxss
+    // CHECK: minss
+    a.clamp(x, y)
+}
+
+// CHECK-LABEL: clamp12_demo:
+#[no_mangle]
+pub fn clamp12_demo(a: f32) -> f32 {
+    // CHECK: movss   xmm1
+    // CHECK-NEXT: maxss   xmm1, xmm0
+    // CHECK-NEXT: movss   xmm0
+    // CHECK-NEXT: minss   xmm0, xmm1
+    // CHECK: ret
+    a.clamp(1.0, 2.0)
+}