forked from OSchip/llvm-project
25 lines
680 B
LLVM
25 lines
680 B
LLVM
; RUN: llvm-upgrade < %s | llvm-as | 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 void %llvm.va_start(sbyte** %ap)
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declare void %llvm.va_copy(sbyte** %aq, sbyte** %ap)
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declare void %llvm.va_end(sbyte** %ap)
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int %test(int %X, ...) {
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%ap = alloca sbyte*
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call void %llvm.va_start(sbyte** %ap)
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%tmp = va_arg sbyte** %ap, int
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%aq = alloca sbyte*
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call void %llvm.va_copy(sbyte** %aq, sbyte** %ap)
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call void %llvm.va_end(sbyte** %aq)
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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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