1*9880d681SAndroid Build Coastguard Worker; RUN: llvm-as < %s | llvm-dis > %t1.ll 2*9880d681SAndroid Build Coastguard Worker; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll 3*9880d681SAndroid Build Coastguard Worker; RUN: diff %t1.ll %t2.ll 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; Demonstrate all of the variable argument handling intrinsic functions plus 6*9880d681SAndroid Build Coastguard Worker; the va_arg instruction. 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_start(i8*) 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_copy(i8*, i8*) 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_end(i8*) 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i32 %X, ...) { 15*9880d681SAndroid Build Coastguard Worker %ap = alloca i8* ; <i8**> [#uses=4] 16*9880d681SAndroid Build Coastguard Worker %va.upgrd.1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1] 17*9880d681SAndroid Build Coastguard Worker call void @llvm.va_start( i8* %va.upgrd.1 ) 18*9880d681SAndroid Build Coastguard Worker %tmp = va_arg i8** %ap, i32 ; <i32> [#uses=1] 19*9880d681SAndroid Build Coastguard Worker %aq = alloca i8* ; <i8**> [#uses=2] 20*9880d681SAndroid Build Coastguard Worker %va0.upgrd.2 = bitcast i8** %aq to i8* ; <i8*> [#uses=1] 21*9880d681SAndroid Build Coastguard Worker %va1.upgrd.3 = bitcast i8** %ap to i8* ; <i8*> [#uses=1] 22*9880d681SAndroid Build Coastguard Worker call void @llvm.va_copy( i8* %va0.upgrd.2, i8* %va1.upgrd.3 ) 23*9880d681SAndroid Build Coastguard Worker %va.upgrd.4 = bitcast i8** %aq to i8* ; <i8*> [#uses=1] 24*9880d681SAndroid Build Coastguard Worker call void @llvm.va_end( i8* %va.upgrd.4 ) 25*9880d681SAndroid Build Coastguard Worker %va.upgrd.5 = bitcast i8** %ap to i8* ; <i8*> [#uses=1] 26*9880d681SAndroid Build Coastguard Worker call void @llvm.va_end( i8* %va.upgrd.5 ) 27*9880d681SAndroid Build Coastguard Worker ret i32 %tmp 28*9880d681SAndroid Build Coastguard Worker} 29*9880d681SAndroid Build Coastguard Worker 30