//@ compile-flags: -O //@ min-llvm-version: 19 //@ only-x86_64 // Test for #118306. // Make sure we don't create `br` or `select` instructions. #![crate_type = "lib"] #[no_mangle] pub fn branchy(input: u64) -> u64 { // CHECK-LABEL: @branchy( // CHECK-NEXT: start: // CHECK-NEXT: [[_2:%.*]] = and i64 [[INPUT:%.*]], 3 // CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [4 x i64], ptr @switch.table.branchy, i64 0, i64 [[_2]] // CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i64, ptr [[SWITCH_GEP]] // CHECK-NEXT: ret i64 [[SWITCH_LOAD]] match input % 4 { 1 | 2 => 1, 3 => 2, _ => 0, } }