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69 lines
1.5 KiB
Rust
69 lines
1.5 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes -Z mir-opt-level=0
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// 32bit MSVC does not align things properly so we suppress high alignment annotations (#112480)
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//@ ignore-i686-pc-windows-msvc
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//@ ignore-i686-pc-windows-gnu
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#![crate_type = "lib"]
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#[repr(align(64))]
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pub struct Align64(i32);
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pub struct Nested64 {
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a: Align64,
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b: i32,
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c: i32,
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d: i8,
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}
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pub enum Enum4 {
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A(i32),
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B(i32),
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}
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pub enum Enum64 {
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A(Align64),
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B(i32),
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}
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// CHECK-LABEL: @align64
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#[no_mangle]
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pub fn align64(i: i32) -> Align64 {
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// CHECK: %a64 = alloca [64 x i8], align 64
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// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false)
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let a64 = Align64(i);
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a64
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}
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// For issue 54028: make sure that we are specifying the correct alignment for fields of aligned
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// structs
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// CHECK-LABEL: @align64_load
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#[no_mangle]
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pub fn align64_load(a: Align64) -> i32 {
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// CHECK: {{%.*}} = load i32, ptr {{%.*}}, align 64
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a.0
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}
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// CHECK-LABEL: @nested64
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#[no_mangle]
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pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 {
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// CHECK: %n64 = alloca [128 x i8], align 64
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let n64 = Nested64 { a, b, c, d };
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n64
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}
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// CHECK-LABEL: @enum4
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#[no_mangle]
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pub fn enum4(a: i32) -> Enum4 {
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// CHECK: %e4 = alloca [8 x i8], align 4
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let e4 = Enum4::A(a);
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e4
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}
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// CHECK-LABEL: @enum64
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#[no_mangle]
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pub fn enum64(a: Align64) -> Enum64 {
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// CHECK: %e64 = alloca [128 x i8], align 64
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let e64 = Enum64::A(a);
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e64
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}
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