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24 lines
601 B
LLVM
24 lines
601 B
LLVM
; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
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; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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; RUN: diff %t1.ll %t2.ll
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; Demonstrate all of the variable argument handling intrinsic functions plus
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; the va_arg instruction.
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implementation
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declare sbyte* %llvm.va_start()
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declare sbyte* %llvm.va_copy(sbyte*)
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declare void %llvm.va_end(sbyte*)
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int %test(int %X, ...) {
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%ap = call sbyte* %llvm.va_start()
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%aq = call sbyte* %llvm.va_copy(sbyte* %ap)
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call void %llvm.va_end(sbyte* %aq)
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%tmp = vaarg sbyte* %ap, int
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%ap2 = vanext sbyte* %ap, int
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call void %llvm.va_end(sbyte* %ap2)
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ret int %tmp
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}
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