57d57b1afd
With opaque pointers, we cannot use the pointer element type to determine the LocationSize for the AA query. Instead, -aa-eval tests are now required to have an explicit load or store for any pointer they want to compute alias results for, and the load/store types are used to determine the location size. This may affect ordering of results, and sorting within one result, as the type is not considered part of the sorted string anymore. To somewhat minimize the churn, printing still uses faux typed pointer notation.
222 lines
7.8 KiB
LLVM
222 lines
7.8 KiB
LLVM
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%struct = type { i32, i32, i32 }
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; CHECK-LABEL: test_simple
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; CHECK-DAG: MayAlias: %struct* %st, i32* %x
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; CHECK-DAG: MayAlias: %struct* %st, i32* %y
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; CHECK-DAG: MayAlias: %struct* %st, i32* %z
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; CHECK-DAG: NoAlias: i32* %x, i32* %y
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; CHECK-DAG: NoAlias: i32* %x, i32* %z
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; CHECK-DAG: NoAlias: i32* %y, i32* %z
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; CHECK-DAG: MayAlias: %struct* %st, %struct* %y_12
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; CHECK-DAG: MayAlias: i32* %x, %struct* %y_12
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; CHECK-DAG: MayAlias: i32* %x, i80* %y_10
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; CHECK-DAG: MayAlias: %struct* %st, i64* %y_8
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; CHECK-DAG: MayAlias: i64* %y_8, i32* %z
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; CHECK-DAG: NoAlias: i32* %x, i64* %y_8
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; CHECK-DAG: MustAlias: i32* %y, %struct* %y_12
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; CHECK-DAG: MustAlias: i32* %y, i64* %y_8
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; CHECK-DAG: MustAlias: i32* %y, i80* %y_10
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define void @test_simple(%struct* %st, i64 %i, i64 %j, i64 %k) {
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%x = getelementptr inbounds %struct, %struct* %st, i64 %i, i32 0
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%y = getelementptr inbounds %struct, %struct* %st, i64 %j, i32 1
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%z = getelementptr inbounds %struct, %struct* %st, i64 %k, i32 2
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%y_12 = bitcast i32* %y to %struct*
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%y_10 = bitcast i32* %y to i80*
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%y_8 = bitcast i32* %y to i64*
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load %struct, %struct* %st
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load i32, i32* %x
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load i32, i32* %y
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load i32, i32* %z
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load %struct, %struct* %y_12
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load i80, i80* %y_10
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load i64, i64* %y_8
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ret void
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}
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; As the GEP is not inbounds, these pointers may alias due to overflow.
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; CHECK-LABEL: test_not_inbounds
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; CHECK: MayAlias: i32* %x, i32* %y
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define void @test_not_inbounds(%struct* %st, i64 %i, i64 %j, i64 %k) {
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%x = getelementptr %struct, %struct* %st, i64 %i, i32 0
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%y = getelementptr %struct, %struct* %st, i64 %j, i32 1
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load i32, i32* %x
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load i32, i32* %y
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ret void
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}
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; CHECK-LABEL: test_in_array
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; CHECK-DAG: MayAlias: [1 x %struct]* %st, i32* %x
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; CHECK-DAG: MayAlias: [1 x %struct]* %st, i32* %y
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; CHECK-DAG: MayAlias: [1 x %struct]* %st, i32* %z
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; CHECK-DAG: NoAlias: i32* %x, i32* %y
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; CHECK-DAG: NoAlias: i32* %x, i32* %z
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; CHECK-DAG: NoAlias: i32* %y, i32* %z
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; CHECK-DAG: MayAlias: [1 x %struct]* %st, %struct* %y_12
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; CHECK-DAG: MayAlias: i32* %x, %struct* %y_12
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; CHECK-DAG: MayAlias: i32* %x, i80* %y_10
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; CHECK-DAG: MayAlias: [1 x %struct]* %st, i64* %y_8
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; CHECK-DAG: MayAlias: i64* %y_8, i32* %z
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; CHECK-DAG: NoAlias: i32* %x, i64* %y_8
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; CHECK-DAG: MustAlias: i32* %y, %struct* %y_12
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; CHECK-DAG: MustAlias: i32* %y, i64* %y_8
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; CHECK-DAG: MustAlias: i32* %y, i80* %y_10
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define void @test_in_array([1 x %struct]* %st, i64 %i, i64 %j, i64 %k, i64 %i1, i64 %j1, i64 %k1) {
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%x = getelementptr inbounds [1 x %struct], [1 x %struct]* %st, i64 %i, i64 %i1, i32 0
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%y = getelementptr inbounds [1 x %struct], [1 x %struct]* %st, i64 %j, i64 %j1, i32 1
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%z = getelementptr inbounds [1 x %struct], [1 x %struct]* %st, i64 %k, i64 %k1, i32 2
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%y_12 = bitcast i32* %y to %struct*
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%y_10 = bitcast i32* %y to i80*
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%y_8 = bitcast i32* %y to i64*
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load [1 x %struct], [1 x %struct]* %st
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load i32, i32* %x
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load i32, i32* %y
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load i32, i32* %z
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load %struct, %struct* %y_12
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load i80, i80* %y_10
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load i64, i64* %y_8
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ret void
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}
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; CHECK-LABEL: test_in_3d_array
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; CHECK-DAG: MayAlias: [1 x [1 x [1 x %struct]]]* %st, i32* %x
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; CHECK-DAG: MayAlias: [1 x [1 x [1 x %struct]]]* %st, i32* %y
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; CHECK-DAG: MayAlias: [1 x [1 x [1 x %struct]]]* %st, i32* %z
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; CHECK-DAG: NoAlias: i32* %x, i32* %y
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; CHECK-DAG: NoAlias: i32* %x, i32* %z
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; CHECK-DAG: NoAlias: i32* %y, i32* %z
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; CHECK-DAG: MayAlias: [1 x [1 x [1 x %struct]]]* %st, %struct* %y_12
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; CHECK-DAG: MayAlias: i32* %x, %struct* %y_12
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; CHECK-DAG: MayAlias: i32* %x, i80* %y_10
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; CHECK-DAG: MayAlias: [1 x [1 x [1 x %struct]]]* %st, i64* %y_8
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; CHECK-DAG: MayAlias: i64* %y_8, i32* %z
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; CHECK-DAG: NoAlias: i32* %x, i64* %y_8
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; CHECK-DAG: MustAlias: i32* %y, %struct* %y_12
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; CHECK-DAG: MustAlias: i32* %y, i64* %y_8
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; CHECK-DAG: MustAlias: i32* %y, i80* %y_10
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define void @test_in_3d_array([1 x [1 x [1 x %struct]]]* %st, i64 %i, i64 %j, i64 %k, i64 %i1, i64 %j1, i64 %k1, i64 %i2, i64 %j2, i64 %k2, i64 %i3, i64 %j3, i64 %k3) {
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%x = getelementptr inbounds [1 x [1 x [1 x %struct]]], [1 x [1 x [1 x %struct]]]* %st, i64 %i, i64 %i1, i64 %i2, i64 %i3, i32 0
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%y = getelementptr inbounds [1 x [1 x [1 x %struct]]], [1 x [1 x [1 x %struct]]]* %st, i64 %j, i64 %j1, i64 %j2, i64 %j3, i32 1
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%z = getelementptr inbounds [1 x [1 x [1 x %struct]]], [1 x [1 x [1 x %struct]]]* %st, i64 %k, i64 %k1, i64 %k2, i64 %k3, i32 2
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%y_12 = bitcast i32* %y to %struct*
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%y_10 = bitcast i32* %y to i80*
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%y_8 = bitcast i32* %y to i64*
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load [1 x [1 x [1 x %struct]]], [1 x [1 x [1 x %struct]]]* %st
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load i32, i32* %x
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load i32, i32* %y
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load i32, i32* %z
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load %struct, %struct* %y_12
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load i80, i80* %y_10
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load i64, i64* %y_8
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ret void
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}
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; CHECK-LABEL: test_same_underlying_object_same_indices
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; CHECK-DAG: NoAlias: i32* %x, i32* %x2
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; CHECK-DAG: NoAlias: i32* %y, i32* %y2
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; CHECK-DAG: NoAlias: i32* %z, i32* %z2
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; CHECK-DAG: NoAlias: i32* %x, i32* %y2
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; CHECK-DAG: NoAlias: i32* %x, i32* %z2
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; CHECK-DAG: NoAlias: i32* %x2, i32* %y
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; CHECK-DAG: NoAlias: i32* %y, i32* %z2
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; CHECK-DAG: NoAlias: i32* %x2, i32* %z
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; CHECK-DAG: NoAlias: i32* %y2, i32* %z
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define void @test_same_underlying_object_same_indices(%struct* %st, i64 %i, i64 %j, i64 %k) {
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%st2 = getelementptr inbounds %struct, %struct* %st, i32 10
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%x2 = getelementptr inbounds %struct, %struct* %st2, i64 %i, i32 0
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%y2 = getelementptr inbounds %struct, %struct* %st2, i64 %j, i32 1
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%z2 = getelementptr inbounds %struct, %struct* %st2, i64 %k, i32 2
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%x = getelementptr inbounds %struct, %struct* %st, i64 %i, i32 0
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%y = getelementptr inbounds %struct, %struct* %st, i64 %j, i32 1
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%z = getelementptr inbounds %struct, %struct* %st, i64 %k, i32 2
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load i32, i32* %x
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load i32, i32* %y
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load i32, i32* %z
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load i32, i32* %x2
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load i32, i32* %y2
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load i32, i32* %z2
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ret void
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}
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; CHECK-LABEL: test_same_underlying_object_different_indices
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; CHECK-DAG: MayAlias: i32* %x, i32* %x2
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; CHECK-DAG: MayAlias: i32* %y, i32* %y2
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; CHECK-DAG: MayAlias: i32* %z, i32* %z2
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; CHECK-DAG: NoAlias: i32* %x, i32* %y2
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; CHECK-DAG: NoAlias: i32* %x, i32* %z2
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; CHECK-DAG: NoAlias: i32* %x2, i32* %y
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; CHECK-DAG: NoAlias: i32* %y, i32* %z2
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; CHECK-DAG: NoAlias: i32* %x2, i32* %z
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; CHECK-DAG: NoAlias: i32* %y2, i32* %z
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define void @test_same_underlying_object_different_indices(%struct* %st, i64 %i1, i64 %j1, i64 %k1, i64 %i2, i64 %k2, i64 %j2) {
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%st2 = getelementptr inbounds %struct, %struct* %st, i32 10
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%x2 = getelementptr inbounds %struct, %struct* %st2, i64 %i2, i32 0
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%y2 = getelementptr inbounds %struct, %struct* %st2, i64 %j2, i32 1
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%z2 = getelementptr inbounds %struct, %struct* %st2, i64 %k2, i32 2
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%x = getelementptr inbounds %struct, %struct* %st, i64 %i1, i32 0
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%y = getelementptr inbounds %struct, %struct* %st, i64 %j1, i32 1
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%z = getelementptr inbounds %struct, %struct* %st, i64 %k1, i32 2
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load i32, i32* %x
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load i32, i32* %y
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load i32, i32* %z
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load i32, i32* %x2
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load i32, i32* %y2
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load i32, i32* %z2
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ret void
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}
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%struct2 = type { [1 x { i32, i32 }], [2 x { i32 }] }
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; CHECK-LABEL: test_struct_in_array
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; CHECK-DAG: MustAlias: i32* %x, i32* %y
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define void @test_struct_in_array(%struct2* %st, i64 %i, i64 %j, i64 %k) {
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%x = getelementptr inbounds %struct2, %struct2* %st, i32 0, i32 1, i32 1, i32 0
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%y = getelementptr inbounds %struct2, %struct2* %st, i32 0, i32 0, i32 1, i32 1
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load i32, i32* %x
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load i32, i32* %y
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ret void
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}
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; PR27418 - Treat GEP indices with the same value but different types the same
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; CHECK-LABEL: test_different_index_types
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; CHECK: MustAlias: i16* %tmp1, i16* %tmp2
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define void @test_different_index_types([2 x i16]* %arr) {
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%tmp1 = getelementptr inbounds [2 x i16], [2 x i16]* %arr, i16 0, i32 1
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%tmp2 = getelementptr inbounds [2 x i16], [2 x i16]* %arr, i16 0, i16 1
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load i16, i16* %tmp1
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load i16, i16* %tmp2
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ret void
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}
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