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 15 define internal fastcc void @fn(i32* nocapture readonly %p1, i64* nocapture readonly %p2) { 16 entry: 17 %0 = load i64* %p2, align 8, !tbaa !1 18 %conv = trunc i64 %0 to i32 19 %1 = load 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 25 define i32 @main() { 26 entry: 27 ; CHECK-LABEL: main 28 ; CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa ![[I32:[0-9]+]] 29 ; CHECK: %g.val = load i32* @g, align 4, !tbaa ![[I32]] 30 ; CHECK: %c.val = load i64* @c, align 8, !tbaa ![[LONG:[0-9]+]] 31 %0 = load i32*** @e, align 8, !tbaa !8 32 store i32* @g, i32** %0, align 8, !tbaa !8 33 %1 = load 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 = metadata !{metadata !2, metadata !2, i64 0} 41 !2 = metadata !{metadata !"long", metadata !3, i64 0} 42 !3 = metadata !{metadata !"omnipotent char", metadata !4, i64 0} 43 !4 = metadata !{metadata !"Simple C/C++ TBAA"} 44 !5 = metadata !{metadata !6, metadata !6, i64 0} 45 !6 = metadata !{metadata !"int", metadata !3, i64 0} 46 !7 = metadata !{metadata !3, metadata !3, i64 0} 47 !8 = metadata !{metadata !9, metadata !9, i64 0} 48 !9 = metadata !{metadata !"any pointer", metadata !3, i64 0} 49 ; CHECK: ![[I32]] = metadata !{metadata ![[I32_TYPE:[0-9]+]], metadata ![[I32_TYPE]], i64 0} 50 ; CHECK: ![[I32_TYPE]] = metadata !{metadata !"int", metadata !{{.*}}, i64 0} 51 ; CHECK: ![[LONG]] = metadata !{metadata ![[LONG_TYPE:[0-9]+]], metadata ![[LONG_TYPE]], i64 0} 52 ; CHECK: ![[LONG_TYPE]] = metadata !{metadata !"long", metadata !{{.*}}, i64 0} 53
