1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes 2; RUN: opt < %s -argpromotion -S | FileCheck %s 3; RUN: opt < %s -passes=argpromotion -S | FileCheck %s 4 5; PR17906 6; When we promote two arguments in a single function with different types, 7; before the fix, we used the same tag for the newly-created two loads. 8; This testing case makes sure that we correctly transfer the tbaa tags from the 9; original loads to the newly-created loads when promoting pointer arguments. 10 11@a = global i32* null, align 8 12@e = global i32** @a, align 8 13@g = global i32 0, align 4 14@c = global i64 0, align 8 15@d = global i8 0, align 1 16 17define internal fastcc void @fn(i32* nocapture readonly %p1, i64* nocapture readonly %p2) { 18; CHECK-LABEL: define {{[^@]+}}@fn 19; CHECK-SAME: (i32 [[P1_VAL:%.*]], i64 [[P2_VAL:%.*]]) 20; CHECK-NEXT: entry: 21; CHECK-NEXT: [[CONV:%.*]] = trunc i64 [[P2_VAL]] to i32 22; CHECK-NEXT: [[CONV1:%.*]] = trunc i32 [[P1_VAL]] to i8 23; CHECK-NEXT: store i8 [[CONV1]], i8* @d, align 1, !tbaa !0 24; CHECK-NEXT: ret void 25; 26entry: 27 %0 = load i64, i64* %p2, align 8, !tbaa !1 28 %conv = trunc i64 %0 to i32 29 %1 = load i32, i32* %p1, align 4, !tbaa !5 30 %conv1 = trunc i32 %1 to i8 31 store i8 %conv1, i8* @d, align 1, !tbaa !7 32 ret void 33} 34 35define i32 @main() { 36; CHECK-LABEL: define {{[^@]+}}@main() 37; CHECK-NEXT: entry: 38; CHECK-NEXT: [[TMP0:%.*]] = load i32**, i32*** @e, align 8, !tbaa !3 39; CHECK-NEXT: store i32* @g, i32** [[TMP0]], align 8, !tbaa !3 40; CHECK-NEXT: [[TMP1:%.*]] = load i32*, i32** @a, align 8, !tbaa !3 41; CHECK-NEXT: store i32 1, i32* [[TMP1]], align 4, !tbaa !5 42; CHECK-NEXT: [[G_VAL:%.*]] = load i32, i32* @g, align 4, !tbaa !5 43; CHECK-NEXT: [[C_VAL:%.*]] = load i64, i64* @c, align 8, !tbaa !7 44; CHECK-NEXT: call fastcc void @fn(i32 [[G_VAL]], i64 [[C_VAL]]) 45; CHECK-NEXT: ret i32 0 46; 47entry: 48 %0 = load i32**, i32*** @e, align 8, !tbaa !8 49 store i32* @g, i32** %0, align 8, !tbaa !8 50 %1 = load i32*, i32** @a, align 8, !tbaa !8 51 store i32 1, i32* %1, align 4, !tbaa !5 52 call fastcc void @fn(i32* @g, i64* @c) 53 54 ret i32 0 55} 56 57!1 = !{!2, !2, i64 0} 58!2 = !{!"long", !3, i64 0} 59!3 = !{!"omnipotent char", !4, i64 0} 60!4 = !{!"Simple C/C++ TBAA"} 61!5 = !{!6, !6, i64 0} 62!6 = !{!"int", !3, i64 0} 63!7 = !{!3, !3, i64 0} 64!8 = !{!9, !9, i64 0} 65!9 = !{!"any pointer", !3, i64 0} 66 67