1; RUN: opt -basicaa -gvn -S < %s | FileCheck %s 2 3define i32 @test1(i8* %p, i8* %q) { 4; CHECK: @test1(i8* %p, i8* %q) 5; CHECK: call i32 @foo(i8* %p) 6; CHECK-NOT: tbaa 7; CHECK: %c = add i32 %a, %a 8 %a = call i32 @foo(i8* %p), !tbaa !0 9 %b = call i32 @foo(i8* %p) 10 %c = add i32 %a, %b 11 ret i32 %c 12} 13 14define i32 @test2(i8* %p, i8* %q) { 15; CHECK: @test2(i8* %p, i8* %q) 16; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGC:!.*]] 17; CHECK: %c = add i32 %a, %a 18 %a = call i32 @foo(i8* %p), !tbaa !0 19 %b = call i32 @foo(i8* %p), !tbaa !0 20 %c = add i32 %a, %b 21 ret i32 %c 22} 23 24define i32 @test3(i8* %p, i8* %q) { 25; CHECK: @test3(i8* %p, i8* %q) 26; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGB:!.*]] 27; CHECK: %c = add i32 %a, %a 28 %a = call i32 @foo(i8* %p), !tbaa !3 29 %b = call i32 @foo(i8* %p), !tbaa !3 30 %c = add i32 %a, %b 31 ret i32 %c 32} 33 34define i32 @test4(i8* %p, i8* %q) { 35; CHECK: @test4(i8* %p, i8* %q) 36; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGA:!.*]] 37; CHECK: %c = add i32 %a, %a 38 %a = call i32 @foo(i8* %p), !tbaa !1 39 %b = call i32 @foo(i8* %p), !tbaa !0 40 %c = add i32 %a, %b 41 ret i32 %c 42} 43 44define i32 @test5(i8* %p, i8* %q) { 45; CHECK: @test5(i8* %p, i8* %q) 46; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGA:!.*]] 47; CHECK: %c = add i32 %a, %a 48 %a = call i32 @foo(i8* %p), !tbaa !0 49 %b = call i32 @foo(i8* %p), !tbaa !1 50 %c = add i32 %a, %b 51 ret i32 %c 52} 53 54define i32 @test6(i8* %p, i8* %q) { 55; CHECK: @test6(i8* %p, i8* %q) 56; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGA:!.*]] 57; CHECK: %c = add i32 %a, %a 58 %a = call i32 @foo(i8* %p), !tbaa !0 59 %b = call i32 @foo(i8* %p), !tbaa !3 60 %c = add i32 %a, %b 61 ret i32 %c 62} 63 64define i32 @test7(i8* %p, i8* %q) { 65; CHECK: @test7(i8* %p, i8* %q) 66; CHECK: call i32 @foo(i8* %p) 67; CHECK-NOT: tbaa 68; CHECK: %c = add i32 %a, %a 69 %a = call i32 @foo(i8* %p), !tbaa !4 70 %b = call i32 @foo(i8* %p), !tbaa !3 71 %c = add i32 %a, %b 72 ret i32 %c 73} 74 75declare i32 @foo(i8*) readonly 76 77; CHECK: [[TAGC]] = metadata !{metadata [[TYPEC:!.*]], metadata [[TYPEC]], i64 0} 78; CHECK: [[TYPEC]] = metadata !{metadata !"C", metadata [[TYPEA:!.*]]} 79; CHECK: [[TYPEA]] = metadata !{metadata !"A", metadata !{{.*}}} 80; CHECK: [[TAGB]] = metadata !{metadata [[TYPEB:!.*]], metadata [[TYPEB]], i64 0} 81; CHECK: [[TYPEB]] = metadata !{metadata !"B", metadata [[TYPEA]]} 82; CHECK: [[TAGA]] = metadata !{metadata [[TYPEA]], metadata [[TYPEA]], i64 0} 83!0 = metadata !{metadata !5, metadata !5, i64 0} 84!1 = metadata !{metadata !6, metadata !6, i64 0} 85!2 = metadata !{metadata !"tbaa root", null} 86!3 = metadata !{metadata !7, metadata !7, i64 0} 87!4 = metadata !{metadata !8, metadata !8, i64 0} 88!5 = metadata !{metadata !"C", metadata !6} 89!6 = metadata !{metadata !"A", metadata !2} 90!7 = metadata !{metadata !"B", metadata !6} 91!8 = metadata !{metadata !"another root", null} 92