mirror of https://github.com/rust-lang/rust
41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
//@ assembly-output: ptx-linker
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//@ compile-flags: --crate-type bin
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//@ only-nvptx64
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//@ ignore-nvptx64
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#![feature(abi_ptx)]
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#![no_main]
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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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//@ aux-build: non-inline-dependency.rs
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extern crate non_inline_dependency as dep;
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// Make sure declarations are there.
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// CHECK: .func (.param .b32 func_retval0) wrapping_external_fn
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// CHECK: .func (.param .b32 func_retval0) panicking_external_fn
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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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// CHECK-NEXT: wrapping_external_fn
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// CHECK: ld.param.b32 %[[LHS:r[0-9]+]], [retval0+0];
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let lhs = dep::wrapping_external_fn(*a);
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// CHECK: call.uni (retval0),
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// CHECK-NEXT: panicking_external_fn
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// CHECK: ld.param.b32 %[[RHS:r[0-9]+]], [retval0+0];
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let rhs = dep::panicking_external_fn(*a);
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// CHECK: add.s32 %[[RES:r[0-9]+]], %[[RHS]], %[[LHS]];
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// CHECK: st.global.u32 [%{{rd[0-9]+}}], %[[RES]];
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*b = lhs + rhs;
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}
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// Verify that external function bodies are available.
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// CHECK: .func (.param .b32 func_retval0) wrapping_external_fn
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// CHECK: .func (.param .b32 func_retval0) panicking_external_fn
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