1 files changed, 163 insertions, 0 deletions
diff --git a/tests/codegen-llvm/is_val_statically_known.rs b/tests/codegen-llvm/is_val_statically_known.rs
new file mode 100644
index 00000000000..8119d3a3bf6
--- /dev/null
+++ b/tests/codegen-llvm/is_val_statically_known.rs
@@ -0,0 +1,163 @@
+//@ compile-flags: --crate-type=lib -Zmerge-functions=disabled -Copt-level=3
+
+#![feature(core_intrinsics)]
+#![feature(f16, f128)]
+
+use std::intrinsics::is_val_statically_known;
+
+pub struct A(u32);
+pub enum B {
+    Ye(u32),
+}
+
+#[inline]
+pub fn _u32(a: u32) -> i32 {
+    if is_val_statically_known(a) { 1 } else { 0 }
+}
+
+// CHECK-LABEL: @_u32_true(
+#[no_mangle]
+pub fn _u32_true() -> i32 {
+    // CHECK: ret i32 1
+    _u32(1)
+}
+
+// CHECK-LABEL: @_u32_false(
+#[no_mangle]
+pub fn _u32_false(a: u32) -> i32 {
+    // CHECK: ret i32 0
+    _u32(a)
+}
+
+#[inline]
+pub fn _bool(b: bool) -> i32 {
+    if is_val_statically_known(b) { 3 } else { 2 }
+}
+
+// CHECK-LABEL: @_bool_true(
+#[no_mangle]
+pub fn _bool_true() -> i32 {
+    // CHECK: ret i32 3
+    _bool(true)
+}
+
+// CHECK-LABEL: @_bool_false(
+#[no_mangle]
+pub fn _bool_false(b: bool) -> i32 {
+    // CHECK: ret i32 2
+    _bool(b)
+}
+
+#[inline]
+pub fn _iref(a: &u8) -> i32 {
+    if is_val_statically_known(a) { 5 } else { 4 }
+}
+
+// CHECK-LABEL: @_iref_borrow(
+#[no_mangle]
+pub fn _iref_borrow() -> i32 {
+    // CHECK: ret i32 4
+    _iref(&0)
+}
+
+// CHECK-LABEL: @_iref_arg(
+#[no_mangle]
+pub fn _iref_arg(a: &u8) -> i32 {
+    // CHECK: ret i32 4
+    _iref(a)
+}
+
+#[inline]
+pub fn _slice_ref(a: &[u8]) -> i32 {
+    if is_val_statically_known(a) { 7 } else { 6 }
+}
+
+// CHECK-LABEL: @_slice_ref_borrow(
+#[no_mangle]
+pub fn _slice_ref_borrow() -> i32 {
+    // CHECK: ret i32 6
+    _slice_ref(&[0; 3])
+}
+
+// CHECK-LABEL: @_slice_ref_arg(
+#[no_mangle]
+pub fn _slice_ref_arg(a: &[u8]) -> i32 {
+    // CHECK: ret i32 6
+    _slice_ref(a)
+}
+
+#[inline]
+pub fn _f16(a: f16) -> i32 {
+    if is_val_statically_known(a) { 1 } else { 0 }
+}
+
+// CHECK-LABEL: @_f16_true(
+#[no_mangle]
+pub fn _f16_true() -> i32 {
+    // CHECK: ret i32 1
+    _f16(1.0)
+}
+
+// CHECK-LABEL: @_f16_false(
+#[no_mangle]
+pub fn _f16_false(a: f16) -> i32 {
+    // CHECK: ret i32 0
+    _f16(a)
+}
+
+#[inline]
+pub fn _f32(a: f32) -> i32 {
+    if is_val_statically_known(a) { 1 } else { 0 }
+}
+
+// CHECK-LABEL: @_f32_true(
+#[no_mangle]
+pub fn _f32_true() -> i32 {
+    // CHECK: ret i32 1
+    _f32(1.0)
+}
+
+// CHECK-LABEL: @_f32_false(
+#[no_mangle]
+pub fn _f32_false(a: f32) -> i32 {
+    // CHECK: ret i32 0
+    _f32(a)
+}
+
+#[inline]
+pub fn _f64(a: f64) -> i32 {
+    if is_val_statically_known(a) { 1 } else { 0 }
+}
+
+// CHECK-LABEL: @_f64_true(
+#[no_mangle]
+pub fn _f64_true() -> i32 {
+    // CHECK: ret i32 1
+    _f64(1.0)
+}
+
+// CHECK-LABEL: @_f64_false(
+#[no_mangle]
+pub fn _f64_false(a: f64) -> i32 {
+    // CHECK: ret i32 0
+    _f64(a)
+}
+
+#[inline]
+pub fn _f128(a: f128) -> i32 {
+    if is_val_statically_known(a) { 1 } else { 0 }
+}
+
+// CHECK-LABEL: @_f128_true(
+#[no_mangle]
+pub fn _f128_true() -> i32 {
+    // CHECK: ret i32 1
+    _f128(1.0)
+}
+
+// CHECK-LABEL: @_f128_false(
+#[no_mangle]
+pub fn _f128_false(a: f128) -> i32 {
+    // CHECK: ret i32 0
+    _f128(a)
+}