1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -argpromotion -S 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; PR17906 4*9880d681SAndroid Build Coastguard Worker; When we promote two arguments in a single function with different types, 5*9880d681SAndroid Build Coastguard Worker; before the fix, we used the same tag for the newly-created two loads. 6*9880d681SAndroid Build Coastguard Worker; This testing case makes sure that we correctly transfer the tbaa tags from the 7*9880d681SAndroid Build Coastguard Worker; original loads to the newly-created loads when promoting pointer arguments. 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker@a = global i32* null, align 8 10*9880d681SAndroid Build Coastguard Worker@e = global i32** @a, align 8 11*9880d681SAndroid Build Coastguard Worker@g = global i32 0, align 4 12*9880d681SAndroid Build Coastguard Worker@c = global i64 0, align 8 13*9880d681SAndroid Build Coastguard Worker@d = global i8 0, align 1 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerdefine internal fastcc void @fn(i32* nocapture readonly %p1, i64* nocapture readonly %p2) { 16*9880d681SAndroid Build Coastguard Workerentry: 17*9880d681SAndroid Build Coastguard Worker %0 = load i64, i64* %p2, align 8, !tbaa !1 18*9880d681SAndroid Build Coastguard Worker %conv = trunc i64 %0 to i32 19*9880d681SAndroid Build Coastguard Worker %1 = load i32, i32* %p1, align 4, !tbaa !5 20*9880d681SAndroid Build Coastguard Worker %conv1 = trunc i32 %1 to i8 21*9880d681SAndroid Build Coastguard Worker store i8 %conv1, i8* @d, align 1, !tbaa !7 22*9880d681SAndroid Build Coastguard Worker ret void 23*9880d681SAndroid Build Coastguard Worker} 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerdefine i32 @main() { 26*9880d681SAndroid Build Coastguard Workerentry: 27*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: main 28*9880d681SAndroid Build Coastguard Worker; CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa ![[I32:[0-9]+]] 29*9880d681SAndroid Build Coastguard Worker; CHECK: %g.val = load i32, i32* @g, align 4, !tbaa ![[I32]] 30*9880d681SAndroid Build Coastguard Worker; CHECK: %c.val = load i64, i64* @c, align 8, !tbaa ![[LONG:[0-9]+]] 31*9880d681SAndroid Build Coastguard Worker %0 = load i32**, i32*** @e, align 8, !tbaa !8 32*9880d681SAndroid Build Coastguard Worker store i32* @g, i32** %0, align 8, !tbaa !8 33*9880d681SAndroid Build Coastguard Worker %1 = load i32*, i32** @a, align 8, !tbaa !8 34*9880d681SAndroid Build Coastguard Worker store i32 1, i32* %1, align 4, !tbaa !5 35*9880d681SAndroid Build Coastguard Worker call fastcc void @fn(i32* @g, i64* @c) 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Worker ret i32 0 38*9880d681SAndroid Build Coastguard Worker} 39*9880d681SAndroid Build Coastguard Worker 40*9880d681SAndroid Build Coastguard Worker!1 = !{!2, !2, i64 0} 41*9880d681SAndroid Build Coastguard Worker!2 = !{!"long", !3, i64 0} 42*9880d681SAndroid Build Coastguard Worker!3 = !{!"omnipotent char", !4, i64 0} 43*9880d681SAndroid Build Coastguard Worker!4 = !{!"Simple C/C++ TBAA"} 44*9880d681SAndroid Build Coastguard Worker!5 = !{!6, !6, i64 0} 45*9880d681SAndroid Build Coastguard Worker!6 = !{!"int", !3, i64 0} 46*9880d681SAndroid Build Coastguard Worker!7 = !{!3, !3, i64 0} 47*9880d681SAndroid Build Coastguard Worker!8 = !{!9, !9, i64 0} 48*9880d681SAndroid Build Coastguard Worker!9 = !{!"any pointer", !3, i64 0} 49*9880d681SAndroid Build Coastguard Worker; CHECK: ![[I32]] = !{![[I32_TYPE:[0-9]+]], ![[I32_TYPE]], i64 0} 50*9880d681SAndroid Build Coastguard Worker; CHECK: ![[I32_TYPE]] = !{!"int", !{{.*}}, i64 0} 51*9880d681SAndroid Build Coastguard Worker; CHECK: ![[LONG]] = !{![[LONG_TYPE:[0-9]+]], ![[LONG_TYPE]], i64 0} 52*9880d681SAndroid Build Coastguard Worker; CHECK: ![[LONG_TYPE]] = !{!"long", !{{.*}}, i64 0} 53