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1; RUN: llc %s -o - | FileCheck %s2 3target triple = "x86_64-apple-macosx"4 5declare swifttailcc void @tc_fn(ptr swiftasync, i64, ptr, i8, ptr swiftself)6 7declare void @foo()8 9; FIXME: Currently the return address is written to the stack before loading the10; argument from an aliasing stack slot.11define swifttailcc void @test(ptr %0, ptr swiftasync %1, i64 %2, i64 %3, ptr %4, ptr %5, i64 %6, ptr %7, i8 %8) {12; CHECK-LABEL: test:13; CHECK: ## %bb.0: ## %entry14; CHECK-NEXT: pushq %r1515; CHECK-NEXT: .cfi_def_cfa_offset 1616; CHECK-NEXT: pushq %rbx17; CHECK-NEXT: .cfi_def_cfa_offset 2418; CHECK-NEXT: pushq %rax19; CHECK-NEXT: .cfi_def_cfa_offset 3220; CHECK-NEXT: .cfi_offset %rbx, -2421; CHECK-NEXT: .cfi_offset %r15, -1622; CHECK-NEXT: movq %r9, %r1323; CHECK-NEXT: movq %r8, %rbx24; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %r1525; CHECK-NEXT: callq _foo26; CHECK-NEXT: movq %r14, (%rax)27; CHECK-NEXT: movl [[OFF:[0-9]+]](%rsp), %edx28; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rcx29; CHECK-NEXT: movq %rcx, [[OFF]](%rsp)30; CHECK-NEXT: movq %rax, %r1431; CHECK-NEXT: movq %r13, %rdi32; CHECK-NEXT: movq %r15, %rsi33; CHECK-NEXT: movq %rbx, %r1334; CHECK-NEXT: addq $8, %rsp35; CHECK-NEXT: popq %rbx36; CHECK-NEXT: popq %r1537; CHECK-NEXT: addq $16, %rsp38; CHECK-NEXT: jmp _tc_fn ## TAILCALL39entry:40 %res = tail call ptr @foo()41 store ptr %1, ptr %res, align 842 musttail call swifttailcc void @tc_fn(ptr swiftasync %res, i64 %6, ptr %7, i8 %8, ptr swiftself %5)43 ret void44}45