Repair several riscv64gc-unknown-linux-gnu codegen tests

Fix tests/codegen/riscv-abi/call-llvm-intrinsics.rs

Fix tests/codegen/riscv-abi/riscv64-lp64d-abi.rs

Fix tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs

On riscv64gc ignore tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs

Make tests/codegen/riscv-abi/riscv64-lp64d-abi.rs no_core

Make tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs no_core

Set -O for tests/codegen/riscv-abi/riscv64-lp64d-abi.rs

Set -O for tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs

Author: Hoverbear

tests/codegen/riscv-abi/call-llvm-intrinsics.rs

@@ -23,7 +23,7 @@ pub fn do_call() {
 
     unsafe {
         // Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them
-        // CHECK: store float 4.000000e+00, float* %{{.}}, align 4
+        // CHECK: store float 4.000000e+00, ptr %{{.}}, align 4
         // CHECK: call float @llvm.sqrt.f32(float %{{.}}
         sqrt(4.0);
     }

tests/codegen/riscv-abi/riscv64-lp64d-abi.rs

@@ -1,10 +1,16 @@
-//
-//@ compile-flags: -C no-prepopulate-passes
-//@ only-riscv64
-//@ only-linux
+//@ compile-flags: -O -C no-prepopulate-passes --target riscv64gc-unknown-linux-gnu
+//@ needs-llvm-components: riscv
+
+#![feature(no_core, lang_items)]
 #![crate_type = "lib"]
+#![no_std]
+#![no_core]
+
+#[lang="sized"] trait Sized { }
+#[lang="freeze"] trait Freeze { }
+#[lang="copy"] trait Copy { }
 
-// 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)
+// CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 noundef zeroext %i)
 #[no_mangle]
 pub extern "C" fn f_fpr_tracking(
     a: f64,
@@ -144,7 +150,7 @@ 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)
+// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 noundef signext %a, i32 noundef signext %b, i32 noundef signext %c, i32 noundef signext %d, i32 noundef signext %e, i32 noundef signext %f, i32 noundef signext %g, i32 noundef signext %h, [2 x i64] %0)
 #[no_mangle]
 pub extern "C" fn f_double_int8_s_arg_insufficient_gprs(
     a: i32,
@@ -250,11 +256,11 @@ pub struct IntDoubleInt {
     c: i32,
 }
 
-// CHECK: define void @f_int_double_int_s_arg(%IntDoubleInt* {{.*}}%a)
+// CHECK: define void @f_int_double_int_s_arg(ptr {{.*}} %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
+// CHECK: define void @f_ret_int_double_int_s(ptr {{.*}} sret([24 x i8]) align 8 dereferenceable(24) %_0)
 #[no_mangle]
 pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt {
     IntDoubleInt { a: 1, b: 2., c: 3 }

tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs

@@ -1,10 +1,16 @@
-//
-//@ compile-flags: -C no-prepopulate-passes
-//@ only-riscv64
-//@ only-linux
+//@ compile-flags: -O -C no-prepopulate-passes --target riscv64gc-unknown-linux-gnu
+//@ needs-llvm-components: riscv
+
+#![feature(no_core, lang_items)]
 #![crate_type = "lib"]
+#![no_std]
+#![no_core]
+
+#[lang="sized"] trait Sized { }
+#[lang="freeze"] trait Freeze { }
+#[lang="copy"] trait Copy { }
 
-// CHECK: define void @f_fpr_tracking(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i8 zeroext %i)
+// CHECK: define void @f_fpr_tracking(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i8 noundef zeroext %i)
 #[no_mangle]
 pub extern "C" fn f_fpr_tracking(
     a: f32,
@@ -128,7 +134,7 @@ pub extern "C" fn f_ret_float_int64_s() -> FloatInt64 {
     FloatInt64 { f: 1., i: 2 }
 }
 
-// CHECK: define void @f_float_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, i64 %0)
+// CHECK: define void @f_float_int8_s_arg_insufficient_gprs(i32 noundef signext %a, i32 noundef signext %b, i32 noundef signext %c, i32 noundef signext %d, i32 noundef signext %e, i32 noundef signext %f, i32 noundef signext %g, i32 noundef signext %h, i64 %0)
 #[no_mangle]
 pub extern "C" fn f_float_int8_s_arg_insufficient_gprs(
     a: i32,

tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs

@@ -1,5 +1,6 @@
 //@ build-pass
 //@ only-linux
+//@ ignore-riscv64 On this platform `-Csplit-debuginfo=unpacked` is unstable, see #120518
 //
 //@ compile-flags: -g --emit=llvm-ir -Csplit-debuginfo=unpacked
 //