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codegen test for non-memcmp array comparison

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Scott McMurray 2025-03-23 18:45:08 -07:00
parent 3c0f72271b
commit 19648ce5cd
1 changed files with 12 additions and 0 deletions
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12
tests/codegen/array-cmp.rs
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@ -17,3 +17,15 @@ pub fn compare() -> bool {
[0x00, 0x00, 0x48, 0x41] [0x00, 0x00, 0x48, 0x41]
} }
} }
// CHECK-LABEL: @array_of_tuple_le
// CHECK: call{{.+}}i8 @llvm.scmp.i8.i16
// CHECK: call{{.+}}i8 @llvm.ucmp.i8.i16
// CHECK: call{{.+}}i8 @llvm.scmp.i8.i16
// CHECK: call{{.+}}i8 @llvm.ucmp.i8.i16
// CHECK: %[[RET:.+]] = icmp slt i8 {{.+}}, 1
// CHECK: ret i8 %[[RET]]
#[no_mangle]
pub fn array_of_tuple_le(a: &[(i16, u16); 2], b: &[(i16, u16); 2]) -> bool {
a <= b
}