forked from OSchip/llvm-project
92 lines
2.3 KiB
LLVM
92 lines
2.3 KiB
LLVM
; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
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define i32 @test1(i8* %p, i8* %q) {
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; CHECK: @test1(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p)
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; CHECK-NOT: tbaa
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p)
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test2(i8* %p, i8* %q) {
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; CHECK: @test2(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGC:!.*]]
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p), !tbaa !0
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test3(i8* %p, i8* %q) {
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; CHECK: @test3(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGB:!.*]]
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !3
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%b = call i32 @foo(i8* %p), !tbaa !3
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test4(i8* %p, i8* %q) {
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; CHECK: @test4(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGA:!.*]]
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !1
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%b = call i32 @foo(i8* %p), !tbaa !0
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test5(i8* %p, i8* %q) {
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; CHECK: @test5(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGA:!.*]]
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p), !tbaa !1
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test6(i8* %p, i8* %q) {
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; CHECK: @test6(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa [[TAGA:!.*]]
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p), !tbaa !3
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test7(i8* %p, i8* %q) {
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; CHECK: @test7(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p)
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; CHECK-NOT: tbaa
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !4
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%b = call i32 @foo(i8* %p), !tbaa !3
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%c = add i32 %a, %b
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ret i32 %c
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}
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declare i32 @foo(i8*) readonly
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; CHECK: [[TAGC]] = !{[[TYPEC:!.*]], [[TYPEC]], i64 0}
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; CHECK: [[TYPEC]] = !{!"C", [[TYPEA:!.*]]}
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; CHECK: [[TYPEA]] = !{!"A", !{{.*}}}
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; CHECK: [[TAGB]] = !{[[TYPEB:!.*]], [[TYPEB]], i64 0}
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; CHECK: [[TYPEB]] = !{!"B", [[TYPEA]]}
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; CHECK: [[TAGA]] = !{[[TYPEA]], [[TYPEA]], i64 0}
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!0 = !{!5, !5, i64 0}
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!1 = !{!6, !6, i64 0}
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!2 = !{!"tbaa root", null}
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!3 = !{!7, !7, i64 0}
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!4 = !{!8, !8, i64 0}
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!5 = !{!"C", !6}
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!6 = !{!"A", !2}
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!7 = !{!"B", !6}
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!8 = !{!"another root", null}
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