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// RUN: %target-swift-frontend -parse-as-library -module-name test %s -O -emit-sil | %FileCheck %s
// REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
public final class C {
let i: Int
init(i: Int) {
self.i = i
}
}
// CHECK-LABEL: sil @$s4test0A8LetField_1fSi_SitAA1CC_yyXEtF :
// CHECK: [[A:%.*]] = ref_element_addr [immutable] %0 : $C, #C.i
// CHECK: [[L:%.*]] = load [[A]]
// CHECK: apply
// CHECK-NOT: load
// CHECK: tuple ([[L]] : $Int, [[L]] : $Int)
// CHECK: } // end sil function '$s4test0A8LetField_1fSi_SitAA1CC_yyXEtF'
public func testLetField(_ c: C, f: () -> ()) -> (Int, Int) {
let a = c.i
f()
let b = c.i
return (a, b)
}
let globalLetArray = [1, 2, 3, 4]
// CHECK-LABEL: sil @$s4test5test15indexS2i_tF :
// CHECK: load
// CHECK: [[L:%.*]] = load
// CHECK-NOT: load
// CHECK: builtin "sadd_with_overflow{{.*}}"([[L]] : {{.*}}, [[L]] :
// CHECK: } // end sil function '$s4test5test15indexS2i_tF'
public func test1(index: Int) -> Int {
let elem1 = globalLetArray[index]
let elem2 = globalLetArray[index]
return elem1 + elem2
}
struct Wrapper {
let arr: Array<Int>
init() {
arr = [1, 2, 3, 4]
}
}
// CHECK-LABEL: sil @$s4test5test25indexS2i_tF :
// CHECK: [[L:%.*]] = load
// CHECK-NOT: load
// CHECK: builtin "sadd_with_overflow{{.*}}"([[L]] : {{.*}}, [[L]] :
// CHECK: } // end sil function '$s4test5test25indexS2i_tF'
public func test2(index: Int) -> Int {
let w = Wrapper()
let elem1 = w.arr[index]
let elem2 = w.arr[index]
return elem1 + elem2
}
// CHECK-LABEL: sil @$s4test5test3_5indexSiSaySiG_SitF :
// CHECK: load
// CHECK: [[L:%.*]] = load
// CHECK-NOT: load
// CHECK: builtin "sadd_with_overflow{{.*}}"([[L]] : {{.*}}, [[L]] :
// CHECK: } // end sil function '$s4test5test3_5indexSiSaySiG_SitF'
public func test3(_ arr: Array<Int>, index: Int) -> Int {
return arr[index] + arr[index]
}
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