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27 lines
577 B
Rust
27 lines
577 B
Rust
// Regression test for #75525, verifies that no bounds checks are generated.
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//@ compile-flags: -O
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#![crate_type = "lib"]
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// CHECK-LABEL: @f0
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// CHECK-NOT: panic
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#[no_mangle]
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pub fn f0(idx: usize, buf: &[u8; 10]) -> u8 {
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if idx < 8 { buf[idx + 1] } else { 0 }
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}
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// CHECK-LABEL: @f1
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// CHECK-NOT: panic
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#[no_mangle]
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pub fn f1(idx: usize, buf: &[u8; 10]) -> u8 {
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if idx > 5 && idx < 8 { buf[idx - 1] } else { 0 }
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}
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// CHECK-LABEL: @f2
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// CHECK-NOT: panic
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#[no_mangle]
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pub fn f2(idx: usize, buf: &[u8; 10]) -> u8 {
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if idx > 5 && idx < 8 { buf[idx] } else { 0 }
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}
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