23e5b2499f
After http://github.com/llvm/llvm-project/pull/178977, the and + icmp are folded to trunc.
24 lines
552 B
Rust
24 lines
552 B
Rust
// Tests that `matches!` optimizes the same as
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// `f == FrameType::Inter || f == FrameType::Switch`.
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//@ compile-flags: -Copt-level=3
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//@ min-llvm-version: 23
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#![crate_type = "lib"]
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#[derive(Clone, Copy, PartialEq, Eq)]
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pub enum FrameType {
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Key = 0,
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Inter = 1,
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Intra = 2,
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Switch = 3,
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}
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// CHECK-LABEL: @is_inter_or_switch
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#[no_mangle]
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pub fn is_inter_or_switch(f: FrameType) -> bool {
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// CHECK-NEXT: start:
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// CHECK-NEXT: trunc i8 %{{.*}} to i1
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// CHECK-NEXT: ret
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matches!(f, FrameType::Inter | FrameType::Switch)
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}
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