1 ; RUN: opt -basicaa -gvn -S < %s | FileCheck %s 2 3 define 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 14 define i32 @test2(i8* %p, i8* %q) { 15 ; CHECK: @test2(i8* %p, i8* %q) 16 ; CHECK: call i32 @foo(i8* %p), !tbaa !0 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 24 define i32 @test3(i8* %p, i8* %q) { 25 ; CHECK: @test3(i8* %p, i8* %q) 26 ; CHECK: call i32 @foo(i8* %p), !tbaa !3 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 34 define i32 @test4(i8* %p, i8* %q) { 35 ; CHECK: @test4(i8* %p, i8* %q) 36 ; CHECK: call i32 @foo(i8* %p), !tbaa !1 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 44 define i32 @test5(i8* %p, i8* %q) { 45 ; CHECK: @test5(i8* %p, i8* %q) 46 ; CHECK: call i32 @foo(i8* %p), !tbaa !1 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 54 define i32 @test6(i8* %p, i8* %q) { 55 ; CHECK: @test6(i8* %p, i8* %q) 56 ; CHECK: call i32 @foo(i8* %p), !tbaa !1 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 64 define 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 75 declare i32 @foo(i8*) readonly 76 77 !0 = metadata !{metadata !"C", metadata !1} 78 !1 = metadata !{metadata !"A", metadata !2} 79 !2 = metadata !{metadata !"tbaa root", null} 80 !3 = metadata !{metadata !"B", metadata !1} 81 !4 = metadata !{metadata !"another root", null} 82
