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42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
//@ assembly-output: ptx-linker
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//@ compile-flags: --crate-type cdylib -Z unstable-options -Clinker-flavor=llbc
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//@ only-nvptx64
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//@ revisions: LLVM20 LLVM21
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//@ [LLVM21] min-llvm-version: 21
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//@ [LLVM20] max-llvm-major-version: 20
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#![feature(abi_ptx)]
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#![no_std]
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//@ aux-build: breakpoint-panic-handler.rs
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extern crate breakpoint_panic_handler;
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// Verify function name doesn't contain unacceaptable characters.
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// CHECK: .func (.param .b32 func_retval0) [[IMPL_FN:[a-zA-Z0-9$_]+square[a-zA-Z0-9$_]+]]
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// CHECK-LABEL: .visible .entry top_kernel(
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#[no_mangle]
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pub unsafe extern "ptx-kernel" fn top_kernel(a: *const u32, b: *mut u32) {
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// CHECK: call.uni (retval0),
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// LLVM20-NEXT: [[IMPL_FN]]
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// LLVM21-SAME: [[IMPL_FN]]
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*b = deep::private::MyStruct::new(*a).square();
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}
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pub mod deep {
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pub mod private {
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pub struct MyStruct<T>(T);
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impl MyStruct<u32> {
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pub fn new(a: u32) -> Self {
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MyStruct(a)
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}
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#[inline(never)]
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pub fn square(&self) -> u32 {
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self.0.wrapping_mul(self.0)
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}
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}
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}
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}
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