42 lines
1.9 KiB
Rust
42 lines
1.9 KiB
Rust
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//@ compile-flags: -C opt-level=3
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#![crate_type = "lib"]
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mod foobar {
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use std::alloc::{GlobalAlloc, Layout};
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struct Allocator;
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unsafe impl GlobalAlloc for Allocator {
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unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
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// CHECK-LABEL: ; __rustc::__rust_alloc
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// CHECK-NEXT: ; Function Attrs: {{.*}}allockind("alloc,uninitialized,aligned") allocsize(0){{.*}}
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// CHECK-NEXT: define{{.*}} noalias{{.*}} ptr @{{.*}}__rust_alloc(i[[SIZE:[0-9]+]] {{.*}}%size, i[[SIZE]] allocalign{{.*}} %align)
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panic!()
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}
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unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
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// CHECK-LABEL: ; __rustc::__rust_dealloc
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// CHECK-NEXT: ; Function Attrs: {{.*}}allockind("free"){{.*}}
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// CHECK-NEXT: define{{.*}} void @{{.*}}__rust_dealloc(ptr allocptr{{.*}} %ptr, i[[SIZE]] {{.*}} %size, i[[SIZE]] {{.*}} %align)
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panic!()
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}
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unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
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// CHECK-LABEL: ; __rustc::__rust_realloc
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// CHECK-NEXT: ; Function Attrs: {{.*}}allockind("realloc,aligned") allocsize(3){{.*}}
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// CHECK-NEXT: define{{.*}} noalias{{.*}} ptr @{{.*}}__rust_realloc(ptr allocptr{{.*}} %ptr, i[[SIZE]] {{.*}} %size, i[[SIZE]] allocalign{{.*}} %align, i[[SIZE]] {{.*}} %new_size)
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panic!()
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}
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unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
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// CHECK-LABEL: ; __rustc::__rust_alloc_zeroed
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// CHECK-NEXT: ; Function Attrs: {{.*}}allockind("alloc,zeroed,aligned") allocsize(0){{.*}}
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// CHECK-NEXT: define{{.*}} noalias{{.*}} ptr @{{.*}}__rust_alloc_zeroed(i[[SIZE]] {{.*}} %size, i[[SIZE]] allocalign{{.*}} %align)
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panic!()
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}
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}
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#[global_allocator]
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static GLOBAL: Allocator = Allocator;
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}
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