llvm/test/Integer/varargs_bt.ll
Daniel Dunbar 31dc49d5ab Eliminate some Tclisms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81081 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-05 11:34:46 +00:00

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624 B
LLVM

; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
; Demonstrate all of the variable argument handling intrinsic functions plus
; the va_arg instruction.
declare void @llvm.va_start(i8** %ap)
declare void @llvm.va_copy(i8** %aq, i8** %ap)
declare void @llvm.va_end(i8** %ap)
define i33 @test(i33 %X, ...) {
%ap = alloca i8*
call void @llvm.va_start(i8** %ap)
%tmp = va_arg i8** %ap, i33
%aq = alloca i8*
call void @llvm.va_copy(i8** %aq, i8** %ap)
call void @llvm.va_end(i8** %aq)
call void @llvm.va_end(i8** %ap)
ret i33 %tmp
}