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