1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes 2; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=3 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM 3; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=3 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM 4; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM 5; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM 6 7; PR17906 8; When we promote two arguments in a single function with different types, 9; before the fix, we used the same tag for the newly-created two loads. 10; This testing case makes sure that we correctly transfer the tbaa tags from the 11; original loads to the newly-created loads when promoting pointer arguments. 12 13@a = global i32* null, align 8 14@e = global i32** @a, align 8 15@g = global i32 0, align 4 16@c = global i64 0, align 8 17@d = global i8 0, align 1 18 19define internal fastcc void @fn(i32* nocapture readonly %p1, i64* nocapture readonly %p2) { 20; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn 21; IS__TUNIT____-LABEL: define {{[^@]+}}@fn 22; IS__TUNIT____-SAME: (i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[P1:%.*]]) [[ATTR0:#.*]] { 23; IS__TUNIT____-NEXT: entry: 24; IS__TUNIT____-NEXT: [[TMP0:%.*]] = load i32, i32* @g, align 4, [[TBAA0:!tbaa !.*]] 25; IS__TUNIT____-NEXT: [[CONV1:%.*]] = trunc i32 [[TMP0]] to i8 26; IS__TUNIT____-NEXT: store i8 [[CONV1]], i8* @d, align 1, [[TBAA4:!tbaa !.*]] 27; IS__TUNIT____-NEXT: ret void 28; 29; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind willreturn 30; IS__CGSCC____-LABEL: define {{[^@]+}}@fn 31; IS__CGSCC____-SAME: () [[ATTR0:#.*]] { 32; IS__CGSCC____-NEXT: entry: 33; IS__CGSCC____-NEXT: [[TMP0:%.*]] = load i32, i32* @g, align 4, [[TBAA0:!tbaa !.*]] 34; IS__CGSCC____-NEXT: [[CONV1:%.*]] = trunc i32 [[TMP0]] to i8 35; IS__CGSCC____-NEXT: store i8 [[CONV1]], i8* @d, align 1, [[TBAA4:!tbaa !.*]] 36; IS__CGSCC____-NEXT: ret void 37; 38entry: 39 %0 = load i64, i64* %p2, align 8, !tbaa !1 40 %conv = trunc i64 %0 to i32 41 %1 = load i32, i32* %p1, align 4, !tbaa !5 42 %conv1 = trunc i32 %1 to i8 43 store i8 %conv1, i8* @d, align 1, !tbaa !7 44 ret void 45} 46 47define i32 @main() { 48; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn 49; IS__TUNIT____-LABEL: define {{[^@]+}}@main 50; IS__TUNIT____-SAME: () [[ATTR0]] { 51; IS__TUNIT____-NEXT: entry: 52; IS__TUNIT____-NEXT: [[TMP0:%.*]] = load i32**, i32*** @e, align 8, [[TBAA5:!tbaa !.*]] 53; IS__TUNIT____-NEXT: store i32* @g, i32** [[TMP0]], align 8, [[TBAA5]] 54; IS__TUNIT____-NEXT: [[TMP1:%.*]] = load i32*, i32** @a, align 8, [[TBAA5]] 55; IS__TUNIT____-NEXT: store i32 1, i32* [[TMP1]], align 4, [[TBAA0]] 56; IS__TUNIT____-NEXT: call fastcc void @fn(i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) @g) [[ATTR0]] 57; IS__TUNIT____-NEXT: ret i32 0 58; 59; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind willreturn 60; IS__CGSCC____-LABEL: define {{[^@]+}}@main 61; IS__CGSCC____-SAME: () [[ATTR0]] { 62; IS__CGSCC____-NEXT: entry: 63; IS__CGSCC____-NEXT: [[TMP0:%.*]] = load i32**, i32*** @e, align 8, [[TBAA5:!tbaa !.*]] 64; IS__CGSCC____-NEXT: store i32* @g, i32** [[TMP0]], align 8, [[TBAA5]] 65; IS__CGSCC____-NEXT: [[TMP1:%.*]] = load i32*, i32** @a, align 8, [[TBAA5]] 66; IS__CGSCC____-NEXT: store i32 1, i32* [[TMP1]], align 4, [[TBAA0]] 67; IS__CGSCC____-NEXT: call fastcc void @fn() [[ATTR1:#.*]] 68; IS__CGSCC____-NEXT: ret i32 0 69; 70entry: 71 %0 = load i32**, i32*** @e, align 8, !tbaa !8 72 store i32* @g, i32** %0, align 8, !tbaa !8 73 %1 = load i32*, i32** @a, align 8, !tbaa !8 74 store i32 1, i32* %1, align 4, !tbaa !5 75 call fastcc void @fn(i32* @g, i64* @c) 76 77 ret i32 0 78} 79 80!1 = !{!2, !2, i64 0} 81!2 = !{!"long", !3, i64 0} 82!3 = !{!"omnipotent char", !4, i64 0} 83!4 = !{!"Simple C/C++ TBAA"} 84!5 = !{!6, !6, i64 0} 85!6 = !{!"int", !3, i64 0} 86!7 = !{!3, !3, i64 0} 87!8 = !{!9, !9, i64 0} 88!9 = !{!"any pointer", !3, i64 0} 89 90