forked from OSchip/llvm-project
30 lines
797 B
LLVM
30 lines
797 B
LLVM
; RUN: llc -mtriple=x86_64-linux-gnu %s -o - | FileCheck %s
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declare swifttailcc void @callee([6 x i64], i64, i64)
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@var = external global i8*
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define swifttailcc void @caller(i64 %n) {
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; CHECK-LABEL: caller:
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; CHECK: subq $16, %rsp
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; CHECK: pushq %rbp
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; CHECK: movq %rsp, %rbp
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; CHECK: pushq %rbx
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; CHECK: andq $-32, %rsp
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; [... don't really care what happens to rsp to allocate %ptr ...]
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; CHECK: movq 24(%rbp), [[RETADDR:%.*]]
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; CHECK: movq [[RETADDR]], 8(%rbp)
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; CHECK: movq $42, 16(%rbp)
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; CHECK: movq $0, 24(%rbp)
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; CHECK: leaq -8(%rbp), %rsp
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; CHECK: popq %rbx
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; CHECK: popq %rbp
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; CHECK: jmp callee
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call void asm sideeffect "", "~{rbx}"()
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%ptr = alloca i8, i64 %n, align 32
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store i8* %ptr, i8** @var
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tail call swifttailcc void @callee([6 x i64] undef, i64 42, i64 0)
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ret void
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}
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