344 lines
6.9 KiB
LLVM
344 lines
6.9 KiB
LLVM
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; RUN: opt -disable-output -passes=print-lcg %s 2>&1 | FileCheck %s
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;
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; Basic validation of the call graph analysis used in the new pass manager.
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define void @f() {
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; CHECK-LABEL: Edges in function: f
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; CHECK-NOT: ->
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entry:
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ret void
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}
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; A bunch more functions just to make it easier to test several call edges at once.
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define void @f1() {
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ret void
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}
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define void @f2() {
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ret void
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}
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define void @f3() {
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ret void
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}
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define void @f4() {
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ret void
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}
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define void @f5() {
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ret void
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}
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define void @f6() {
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ret void
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}
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define void @f7() {
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ret void
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}
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define void @f8() {
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ret void
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}
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define void @f9() {
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ret void
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}
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define void @f10() {
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ret void
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}
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define void @f11() {
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ret void
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}
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define void @f12() {
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ret void
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}
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declare i32 @__gxx_personality_v0(...)
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define void @test0() {
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; CHECK-LABEL: Edges in function: test0
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; CHECK-NEXT: call -> f
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; CHECK-NOT: ->
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entry:
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call void @f()
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call void @f()
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call void @f()
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call void @f()
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ret void
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}
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define ptr @test1(ptr %x) personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: Edges in function: test1
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; CHECK-NEXT: call -> f6
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; CHECK-NEXT: call -> f10
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; CHECK-NEXT: ref -> f12
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; CHECK-NEXT: ref -> f11
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; CHECK-NEXT: ref -> f7
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; CHECK-NEXT: ref -> f9
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; CHECK-NEXT: ref -> f8
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; CHECK-NEXT: ref -> f5
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; CHECK-NEXT: ref -> f4
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; CHECK-NEXT: ref -> f3
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; CHECK-NEXT: ref -> f2
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; CHECK-NEXT: ref -> f1
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; CHECK-NOT: ->
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entry:
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br label %next
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dead:
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br label %next
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next:
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phi ptr [ @f1, %entry ], [ @f2, %dead ]
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select i1 true, ptr @f3, ptr @f4
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store ptr @f5, ptr %x
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call void @f6()
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call void (ptr, ptr) @f7(ptr @f8, ptr @f9)
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invoke void @f10() to label %exit unwind label %unwind
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exit:
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ret ptr @f11
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unwind:
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%res = landingpad { ptr, i32 }
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cleanup
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resume { ptr, i32 } { ptr @f12, i32 42 }
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}
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@g = global ptr @f1
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@g1 = global [4 x ptr] [ptr @f2, ptr @f3, ptr @f4, ptr @f5]
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@g2 = global {i8, ptr, i8} {i8 1, ptr @f6, i8 2}
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@h = constant ptr @f7
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define void @test2() {
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; CHECK-LABEL: Edges in function: test2
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; CHECK-NEXT: ref -> f7
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; CHECK-NEXT: ref -> f6
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; CHECK-NEXT: ref -> f5
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; CHECK-NEXT: ref -> f4
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; CHECK-NEXT: ref -> f3
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; CHECK-NEXT: ref -> f2
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; CHECK-NEXT: ref -> f1
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; CHECK-NOT: ->
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load ptr, ptr @g
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load ptr, ptr getelementptr ([4 x ptr], ptr @g1, i32 0, i32 2)
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load ptr, ptr getelementptr ({i8, ptr, i8}, ptr @g2, i32 0, i32 1)
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load ptr, ptr @h
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ret void
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}
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@test3_ptr = external global ptr
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define void @test3_aa1() {
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; CHECK-LABEL: Edges in function: test3_aa1
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; CHECK-NEXT: call -> test3_aa2
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; CHECK-NEXT: ref -> test3_ab1
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; CHECK-NOT: ->
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entry:
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call void @test3_aa2()
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store ptr @test3_ab1, ptr @test3_ptr
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ret void
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}
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define void @test3_aa2() {
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; CHECK-LABEL: Edges in function: test3_aa2
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; CHECK-NEXT: call -> test3_aa1
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; CHECK-NEXT: call -> test3_ab2
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; CHECK-NOT: ->
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entry:
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call void @test3_aa1()
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call void @test3_ab2()
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ret void
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}
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define void @test3_ab1() {
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; CHECK-LABEL: Edges in function: test3_ab1
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; CHECK-NEXT: call -> test3_ab2
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; CHECK-NEXT: call -> test3_ac1
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; CHECK-NOT: ->
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entry:
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call void @test3_ab2()
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call void @test3_ac1()
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ret void
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}
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define void @test3_ab2() {
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; CHECK-LABEL: Edges in function: test3_ab2
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; CHECK-NEXT: call -> test3_ab1
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; CHECK-NEXT: call -> test3_ba1
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; CHECK-NOT: ->
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entry:
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call void @test3_ab1()
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call void @test3_ba1()
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ret void
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}
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define void @test3_ac1() {
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; CHECK-LABEL: Edges in function: test3_ac1
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; CHECK-NEXT: call -> test3_ac2
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; CHECK-NEXT: ref -> test3_aa2
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; CHECK-NOT: ->
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entry:
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call void @test3_ac2()
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store ptr @test3_aa2, ptr @test3_ptr
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ret void
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}
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define void @test3_ac2() {
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; CHECK-LABEL: Edges in function: test3_ac2
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; CHECK-NEXT: call -> test3_ac1
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; CHECK-NEXT: ref -> test3_ba1
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; CHECK-NOT: ->
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entry:
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call void @test3_ac1()
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store ptr @test3_ba1, ptr @test3_ptr
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ret void
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}
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define void @test3_ba1() {
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; CHECK-LABEL: Edges in function: test3_ba1
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; CHECK-NEXT: call -> test3_bb1
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; CHECK-NEXT: ref -> test3_ca1
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; CHECK-NOT: ->
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entry:
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call void @test3_bb1()
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store ptr @test3_ca1, ptr @test3_ptr
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ret void
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}
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define void @test3_bb1() {
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; CHECK-LABEL: Edges in function: test3_bb1
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; CHECK-NEXT: call -> test3_ca2
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; CHECK-NEXT: ref -> test3_ba1
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; CHECK-NOT: ->
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entry:
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call void @test3_ca2()
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store ptr @test3_ba1, ptr @test3_ptr
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ret void
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}
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define void @test3_ca1() {
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; CHECK-LABEL: Edges in function: test3_ca1
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; CHECK-NEXT: call -> test3_ca2
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; CHECK-NOT: ->
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entry:
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call void @test3_ca2()
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ret void
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}
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define void @test3_ca2() {
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; CHECK-LABEL: Edges in function: test3_ca2
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; CHECK-NEXT: call -> test3_ca3
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; CHECK-NOT: ->
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entry:
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call void @test3_ca3()
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ret void
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}
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define void @test3_ca3() {
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; CHECK-LABEL: Edges in function: test3_ca3
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; CHECK-NEXT: call -> test3_ca1
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; CHECK-NOT: ->
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entry:
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call void @test3_ca1()
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ret void
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}
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; Verify the SCCs formed.
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f1
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f2
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f3
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f4
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f5
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f6
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f7
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f8
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f9
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f10
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f11
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: f12
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: test0
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: test1
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: test2
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;
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; CHECK-LABEL: RefSCC with 1 call SCCs:
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; CHECK-NEXT: SCC with 3 functions:
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; CHECK-NEXT: test3_ca2
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; CHECK-NEXT: test3_ca3
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; CHECK-NEXT: test3_ca1
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;
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; CHECK-LABEL: RefSCC with 2 call SCCs:
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: test3_bb1
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; CHECK-NEXT: SCC with 1 functions:
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; CHECK-NEXT: test3_ba1
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;
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; CHECK-LABEL: RefSCC with 3 call SCCs:
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; CHECK-NEXT: SCC with 2 functions:
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; CHECK-NEXT: test3_ac1
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; CHECK-NEXT: test3_ac2
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; CHECK-NEXT: SCC with 2 functions:
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; CHECK-NEXT: test3_ab2
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; CHECK-NEXT: test3_ab1
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; CHECK-NEXT: SCC with 2 functions:
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; CHECK-NEXT: test3_aa1
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; CHECK-NEXT: test3_aa2
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