+; RUN: llvm-as < %s | 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*)
-int %test(int %X, ...) {
- %ap = alloca sbyte*
- ; This is not a legal testcase, it just shows the syntax for va_arg
- %tmp = va_arg sbyte** %ap, int
- ret int %tmp
+declare void @llvm.va_copy(i8*, i8*)
+
+declare void @llvm.va_end(i8*)
+
+define i32 @test(i32 %X, ...) {
+ %ap = alloca i8* ; <i8**> [#uses=4]
+ %va.upgrd.1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
+ call void @llvm.va_start( i8* %va.upgrd.1 )
+ %tmp = va_arg i8** %ap, i32 ; <i32> [#uses=1]
+ %aq = alloca i8* ; <i8**> [#uses=2]
+ %va0.upgrd.2 = bitcast i8** %aq to i8* ; <i8*> [#uses=1]
+ %va1.upgrd.3 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
+ call void @llvm.va_copy( i8* %va0.upgrd.2, i8* %va1.upgrd.3 )
+ %va.upgrd.4 = bitcast i8** %aq to i8* ; <i8*> [#uses=1]
+ call void @llvm.va_end( i8* %va.upgrd.4 )
+ %va.upgrd.5 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
+ call void @llvm.va_end( i8* %va.upgrd.5 )
+ ret i32 %tmp
}
+