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150
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1 ; RUN: llvm-as < %s | llvm-dis > %t1.ll
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2 ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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3 ; RUN: diff %t1.ll %t2.ll
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4
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5 ; Demonstrate all of the variable argument handling intrinsic functions plus
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6 ; the va_arg instruction.
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7
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252
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8 declare void @llvm.va_start(ptr)
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150
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9
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252
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10 declare void @llvm.va_copy(ptr, ptr)
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150
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11
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252
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12 declare void @llvm.va_end(ptr)
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150
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13
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14 define i32 @test(i32 %X, ...) {
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252
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15 %ap = alloca ptr ; <ptr> [#uses=4]
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16 call void @llvm.va_start( ptr %ap )
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17 %tmp = va_arg ptr %ap, i32 ; <i32> [#uses=1]
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18 %aq = alloca ptr ; <ptr> [#uses=2]
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19 call void @llvm.va_copy( ptr %aq, ptr %ap )
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20 call void @llvm.va_end( ptr %aq )
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21 call void @llvm.va_end( ptr %ap )
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150
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22 ret i32 %tmp
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23 }
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24
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