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This way LLVM will set the string merging flag if the alloc is a nul terminated string, reducing binary sizes.
16 lines
300 B
Rust
16 lines
300 B
Rust
//@ compile-flags: -Copt-level=3
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#![crate_type = "lib"]
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const LUT: [u8; 4] = [1, 1, 1, 1];
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// CHECK-LABEL: @decode
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#[no_mangle]
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pub fn decode(i: u8) -> u8 {
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// CHECK: start:
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// CHECK-NEXT: icmp
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// CHECK-NEXT: select
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// CHECK-NEXT: ret
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if i < 4 { LUT[i as usize] } else { 2 }
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}
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