47 lines
1.0 KiB
Rust
47 lines
1.0 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes
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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 = "rlib"]
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#[repr(align(16))]
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pub struct S {
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arr: [u32; 4],
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}
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// CHECK-LABEL: @test1
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// CHECK: store i32 0, ptr %{{.+}}, align 16
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// CHECK: store i32 1, ptr %{{.+}}, align 4
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// CHECK: store i32 2, ptr %{{.+}}, align 8
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// CHECK: store i32 3, ptr %{{.+}}, align 4
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#[no_mangle]
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pub fn test1(s: &mut S) {
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s.arr[0] = 0;
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s.arr[1] = 1;
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s.arr[2] = 2;
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s.arr[3] = 3;
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}
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// CHECK-LABEL: @test2
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// CHECK: store i32 4, ptr %{{.+}}, align 4
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#[allow(unconditional_panic)]
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#[no_mangle]
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pub fn test2(s: &mut S) {
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s.arr[usize::MAX / 4 + 1] = 4;
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}
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// CHECK-LABEL: @test3
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// CHECK: store i32 5, ptr %{{.+}}, align 4
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#[no_mangle]
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pub fn test3(s: &mut S, i: usize) {
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s.arr[i] = 5;
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}
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// CHECK-LABEL: @test4
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// CHECK: store i32 6, ptr %{{.+}}, align 4
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#[no_mangle]
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pub fn test4(s: &mut S) {
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s.arr = [6; 4];
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}
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