2304c25f31
LLVM 7 is over a year old, which should be plenty for compatibility. The last LLVM 6 holdout was llvm-emscripten, which went away in #65501. I've also included a fix for LLVM 8 lacking `MemorySanitizerOptions`, which was broken by #66522.
34 lines
744 B
Rust
34 lines
744 B
Rust
// compile-flags: -C no-prepopulate-passes
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// ignore-tidy-linelength
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#![crate_type = "lib"]
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#[repr(align(64))]
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pub enum Align64 {
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A(u32),
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B(u32),
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}
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// CHECK: %Align64 = type { [0 x i32], i32, [15 x i32] }
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pub struct Nested64 {
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a: u8,
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b: Align64,
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c: u16,
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}
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// CHECK-LABEL: @align64
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#[no_mangle]
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pub fn align64(a: u32) -> Align64 {
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// CHECK: %a64 = alloca %Align64, align 64
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// CHECK: call void @llvm.memcpy.{{.*}}(i8* align 64 %{{.*}}, i8* align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false)
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let a64 = Align64::A(a);
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a64
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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: u8, b: u32, c: u16) -> Nested64 {
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// CHECK: %n64 = alloca %Nested64, align 64
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let n64 = Nested64 { a, b: Align64::B(b), c };
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n64
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}
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