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34 lines
895 B
Rust
34 lines
895 B
Rust
// compile-flags: -O
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#![crate_type = "lib"]
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// CHECK-LABEL: @array_copy_1_element
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#[no_mangle]
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pub fn array_copy_1_element(a: &[u8; 1], p: &mut [u8; 1]) {
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// CHECK-NOT: alloca
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// CHECK: %[[TEMP:.+]] = load i8, ptr %a, align 1
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// CHECK: store i8 %[[TEMP]], ptr %p, align 1
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// CHECK: ret
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*p = *a;
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}
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// CHECK-LABEL: @array_copy_2_elements
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#[no_mangle]
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pub fn array_copy_2_elements(a: &[u8; 2], p: &mut [u8; 2]) {
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// CHECK-NOT: alloca
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// CHECK: %[[TEMP:.+]] = load <2 x i8>, ptr %a, align 1
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// CHECK: store <2 x i8> %[[TEMP]], ptr %p, align 1
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// CHECK: ret
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*p = *a;
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}
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// CHECK-LABEL: @array_copy_4_elements
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#[no_mangle]
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pub fn array_copy_4_elements(a: &[u8; 4], p: &mut [u8; 4]) {
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// CHECK-NOT: alloca
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// CHECK: %[[TEMP:.+]] = load <4 x i8>, ptr %a, align 1
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// CHECK: store <4 x i8> %[[TEMP]], ptr %p, align 1
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// CHECK: ret
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*p = *a;
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}
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