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https://github.com/c64scene-ar/llvm-6502.git
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6d95257a91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6034 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
574 B
LLVM
22 lines
574 B
LLVM
; 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 void %llvm.va_start(sbyte**, ...)
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declare void %llvm.va_copy(sbyte**, sbyte*)
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declare void %llvm.va_end(sbyte**)
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int %test(int %X, ...) {
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%ap = alloca sbyte*
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%aq = alloca sbyte*
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call void (sbyte**, ...)* %llvm.va_start(sbyte** %ap, int %X)
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%apv = load sbyte** %ap
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call void %llvm.va_copy(sbyte** %aq, sbyte* %apv)
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call void %llvm.va_end(sbyte** %aq)
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%tmp = va_arg sbyte** %ap, int
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call void %llvm.va_end(sbyte** %ap)
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ret int %tmp
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}
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