1 files changed, 293 insertions, 0 deletions
diff --git a/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs b/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs
new file mode 100644
index 000000000..1555acadf
--- /dev/null
+++ b/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs
@@ -0,0 +1,293 @@
+//
+// compile-flags: -C no-prepopulate-passes
+// only-riscv64
+// only-linux
+#![crate_type = "lib"]
+
+// CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 zeroext %i)
+#[no_mangle]
+pub extern "C" fn f_fpr_tracking(
+    a: f64,
+    b: f64,
+    c: f64,
+    d: f64,
+    e: f64,
+    f: f64,
+    g: f64,
+    h: f64,
+    i: u8,
+) {
+}
+
+#[repr(C)]
+pub struct Double {
+    f: f64,
+}
+
+#[repr(C)]
+pub struct DoubleDouble {
+    f: f64,
+    g: f64,
+}
+
+#[repr(C)]
+pub struct DoubleFloat {
+    f: f64,
+    g: f32,
+}
+
+// CHECK: define void @f_double_s_arg(double %0)
+#[no_mangle]
+pub extern "C" fn f_double_s_arg(a: Double) {}
+
+// CHECK: define double @f_ret_double_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_s() -> Double {
+    Double { f: 1. }
+}
+
+// CHECK: define void @f_double_double_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_double_double_s_arg(a: DoubleDouble) {}
+
+// CHECK: define { double, double } @f_ret_double_double_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_double_s() -> DoubleDouble {
+    DoubleDouble { f: 1., g: 2. }
+}
+
+// CHECK: define void @f_double_float_s_arg({ double, float } %0)
+#[no_mangle]
+pub extern "C" fn f_double_float_s_arg(a: DoubleFloat) {}
+
+// CHECK: define { double, float } @f_ret_double_float_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_float_s() -> DoubleFloat {
+    DoubleFloat { f: 1., g: 2. }
+}
+
+// CHECK: define void @f_double_double_s_arg_insufficient_fprs(double %0, double %1, double %2, double %3, double %4, double %5, double %6, [2 x i64] %7)
+#[no_mangle]
+pub extern "C" fn f_double_double_s_arg_insufficient_fprs(
+    a: f64,
+    b: f64,
+    c: f64,
+    d: f64,
+    e: f64,
+    f: f64,
+    g: f64,
+    h: DoubleDouble,
+) {
+}
+
+#[repr(C)]
+pub struct DoubleInt8 {
+    f: f64,
+    i: i8,
+}
+
+#[repr(C)]
+pub struct DoubleUInt8 {
+    f: f64,
+    i: u8,
+}
+
+#[repr(C)]
+pub struct DoubleInt32 {
+    f: f64,
+    i: i32,
+}
+
+#[repr(C)]
+pub struct DoubleInt64 {
+    f: f64,
+    i: i64,
+}
+
+// CHECK: define void @f_double_int8_s_arg({ double, i8 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_int8_s_arg(a: DoubleInt8) {}
+
+// CHECK: define { double, i8 } @f_ret_double_int8_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_int8_s() -> DoubleInt8 {
+    DoubleInt8 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_int32_s_arg({ double, i32 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_int32_s_arg(a: DoubleInt32) {}
+
+// CHECK: define { double, i32 } @f_ret_double_int32_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_int32_s() -> DoubleInt32 {
+    DoubleInt32 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_uint8_s_arg({ double, i8 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_uint8_s_arg(a: DoubleUInt8) {}
+
+// CHECK: define { double, i8 } @f_ret_double_uint8_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_uint8_s() -> DoubleUInt8 {
+    DoubleUInt8 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_int64_s_arg({ double, i64 } %0)
+#[no_mangle]
+pub extern "C" fn f_double_int64_s_arg(a: DoubleInt64) {}
+
+// CHECK: define { double, i64 } @f_ret_double_int64_s()
+#[no_mangle]
+pub extern "C" fn f_ret_double_int64_s() -> DoubleInt64 {
+    DoubleInt64 { f: 1., i: 2 }
+}
+
+// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, [2 x i64] %0)
+#[no_mangle]
+pub extern "C" fn f_double_int8_s_arg_insufficient_gprs(
+    a: i32,
+    b: i32,
+    c: i32,
+    d: i32,
+    e: i32,
+    f: i32,
+    g: i32,
+    h: i32,
+    i: DoubleInt8,
+) {
+}
+
+// CHECK: define void @f_struct_double_int8_insufficient_fprs(float %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, [2 x i64] %8)
+#[no_mangle]
+pub extern "C" fn f_struct_double_int8_insufficient_fprs(
+    a: f32,
+    b: f64,
+    c: f64,
+    d: f64,
+    e: f64,
+    f: f64,
+    g: f64,
+    h: f64,
+    i: DoubleInt8,
+) {
+}
+
+#[repr(C)]
+pub struct DoubleArr1 {
+    a: [f64; 1],
+}
+
+// CHECK: define void @f_doublearr1_s_arg(double %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr1_s_arg(a: DoubleArr1) {}
+
+// CHECK: define double @f_ret_doublearr1_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr1_s() -> DoubleArr1 {
+    DoubleArr1 { a: [1.] }
+}
+
+#[repr(C)]
+pub struct DoubleArr2 {
+    a: [f64; 2],
+}
+
+// CHECK: define void @f_doublearr2_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr2_s_arg(a: DoubleArr2) {}
+
+// CHECK: define { double, double } @f_ret_doublearr2_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr2_s() -> DoubleArr2 {
+    DoubleArr2 { a: [1., 2.] }
+}
+
+#[repr(C)]
+pub struct Tricky1 {
+    f: [f64; 1],
+}
+
+#[repr(C)]
+pub struct DoubleArr2Tricky1 {
+    g: [Tricky1; 2],
+}
+
+// CHECK: define void @f_doublearr2_tricky1_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr2_tricky1_s_arg(a: DoubleArr2Tricky1) {}
+
+// CHECK: define { double, double } @f_ret_doublearr2_tricky1_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr2_tricky1_s() -> DoubleArr2Tricky1 {
+    DoubleArr2Tricky1 { g: [Tricky1 { f: [1.] }, Tricky1 { f: [2.] }] }
+}
+
+#[repr(C)]
+pub struct EmptyStruct {}
+
+#[repr(C)]
+pub struct DoubleArr2Tricky2 {
+    s: EmptyStruct,
+    g: [Tricky1; 2],
+}
+
+// CHECK: define void @f_doublearr2_tricky2_s_arg({ double, double } %0)
+#[no_mangle]
+pub extern "C" fn f_doublearr2_tricky2_s_arg(a: DoubleArr2Tricky2) {}
+
+// CHECK: define { double, double } @f_ret_doublearr2_tricky2_s()
+#[no_mangle]
+pub extern "C" fn f_ret_doublearr2_tricky2_s() -> DoubleArr2Tricky2 {
+    DoubleArr2Tricky2 { s: EmptyStruct {}, g: [Tricky1 { f: [1.] }, Tricky1 { f: [2.] }] }
+}
+
+#[repr(C)]
+pub struct IntDoubleInt {
+    a: i32,
+    b: f64,
+    c: i32,
+}
+
+// CHECK: define void @f_int_double_int_s_arg(%IntDoubleInt* {{.*}}%a)
+#[no_mangle]
+pub extern "C" fn f_int_double_int_s_arg(a: IntDoubleInt) {}
+
+// CHECK: define void @f_ret_int_double_int_s(%IntDoubleInt* {{.*}}sret
+#[no_mangle]
+pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt {
+    IntDoubleInt { a: 1, b: 2., c: 3 }
+}
+
+#[repr(C)]
+pub struct CharCharDouble {
+    a: u8,
+    b: u8,
+    c: f64,
+}
+
+// CHECK: define void @f_char_char_double_s_arg([2 x i64] %0)
+#[no_mangle]
+pub extern "C" fn f_char_char_double_s_arg(a: CharCharDouble) {}
+
+// CHECK: define [2 x i64] @f_ret_char_char_double_s()
+#[no_mangle]
+pub extern "C" fn f_ret_char_char_double_s() -> CharCharDouble {
+    CharCharDouble { a: 1, b: 2, c: 3. }
+}
+
+#[repr(C)]
+pub union DoubleU {
+    a: f64,
+}
+
+// CHECK: define void @f_double_u_arg(i64 %0)
+#[no_mangle]
+pub extern "C" fn f_double_u_arg(a: DoubleU) {}
+
+// CHECK: define i64 @f_ret_double_u()
+#[no_mangle]
+pub extern "C" fn f_ret_double_u() -> DoubleU {
+    unsafe { DoubleU { a: 1. } }
+}