File: indirect_return.swift

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// RUN: %target-swift-frontend -primary-file %s -emit-ir | %FileCheck %s

// REQUIRES: CPU=i386 || CPU=x86_64

// CHECK: define hidden swiftcc void @"$s15indirect_return11generic_get{{[_0-9a-zA-Z]*}}F"
func generic_get<T>(p: UnsafeMutablePointer<T>) -> T {
  // CHECK-NOT: [[T0:%.*]] = call ptr @_TFVs20UnsafeMutablePointerl6memoryQ_(ptr %1, ptr %T)
  // CHECK: call ptr {{%.*}}(ptr noalias %0, ptr noalias {{%.*}}, ptr %T)
  return p.pointee
}


protocol Number {}
extension Int: Number {}

// Make sure that the absence of the sret attribute matches.
// CHECK: define hidden swiftcc void @"$s15indirect_return3fooSS_S2SAA6Number_pAaC_ptyF"(ptr noalias nocapture
func foo() -> (String, String, String, Number, Number) {
    return ("1", "2", "3", 42, 7)
}
// CHECK-LABEL: define{{.*}}testCall
func testCall() {
// CHECK: call swiftcc void @"$s15indirect_return3fooSS_S2SAA6Number_pAaC_ptyF"(ptr noalias nocapture %{{.*}}
  print(foo())
}