1; RUN: opt -scoped-noalias-aa -basic-aa -newgvn -S < %s | FileCheck %s 2 3define i32 @test1(i32* %p, i32* %q) { 4; CHECK-LABEL: @test1(i32* %p, i32* %q) 5; CHECK: load i32, i32* %p 6; CHECK-NOT: noalias 7; CHECK: %c = add i32 %a, %a 8 %a = load i32, i32* %p, !noalias !3 9 %b = load i32, i32* %p 10 %c = add i32 %a, %b 11 ret i32 %c 12} 13 14define i32 @test2(i32* %p, i32* %q) { 15; CHECK-LABEL: @test2(i32* %p, i32* %q) 16; CHECK: load i32, i32* %p, align 4, !alias.scope ![[SCOPE1:[0-9]+]] 17; CHECK: %c = add i32 %a, %a 18 %a = load i32, i32* %p, !alias.scope !3 19 %b = load i32, i32* %p, !alias.scope !3 20 %c = add i32 %a, %b 21 ret i32 %c 22} 23 24define i32 @test3(i32* %p, i32* %q) { 25; CHECK-LABEL: @test3(i32* %p, i32* %q) 26; CHECK: load i32, i32* %p, align 4, !alias.scope ![[SCOPE2:[0-9]+]] 27; CHECK: %c = add i32 %a, %a 28 %a = load i32, i32* %p, !alias.scope !4 29 %b = load i32, i32* %p, !alias.scope !5 30 %c = add i32 %a, %b 31 ret i32 %c 32} 33 34; CHECK: ![[SCOPE1]] = !{!{{[0-9]+}}} 35; CHECK: ![[SCOPE2]] = !{!{{[0-9]+}}, !{{[0-9]+}}} 36declare i32 @foo(i32*) readonly 37 38!0 = distinct !{!0, !2, !"callee0: %a"} 39!1 = distinct !{!1, !2, !"callee0: %b"} 40!2 = distinct !{!2, !"callee0"} 41 42!3 = !{!0} 43!4 = !{!1} 44!5 = !{!0, !1} 45