acd22b2751
This patch introduces a new AA `AAUnderlyingObjects`. It is basically like a wrapper AA of the function `AA::getAssumedUnderlyingObjects`, but it can recursively do query if the underlying object is an indirect access, such as a phi node or a select instruction. Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D141164
55 lines
2.0 KiB
LLVM
55 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=9 -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
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@G1 = constant i32 0
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@G2 = constant ptr @G1
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;.
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; CHECK: @[[G1:[a-zA-Z0-9_$"\\.-]+]] = constant i32 0
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; CHECK: @[[G2:[a-zA-Z0-9_$"\\.-]+]] = constant ptr @G1
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;.
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define internal i32 @test(ptr %x) {
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;
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; CHECK: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; CHECK-LABEL: define {{[^@]+}}@test
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[Z:%.*]] = load i32, ptr @G1, align 4
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; CHECK-NEXT: ret i32 [[Z]]
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;
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entry:
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%y = load ptr, ptr %x
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%z = load i32, ptr %y
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ret i32 %z
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}
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define i32 @caller() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@caller
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; TUNIT-SAME: () #[[ATTR0]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[X:%.*]] = call i32 @test() #[[ATTR1:[0-9]+]]
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; TUNIT-NEXT: ret i32 [[X]]
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@caller
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; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[X:%.*]] = call i32 @test() #[[ATTR2:[0-9]+]]
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; CGSCC-NEXT: ret i32 [[X]]
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;
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entry:
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%x = call i32 @test(ptr @G2)
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ret i32 %x
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
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; TUNIT: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn }
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;.
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; CGSCC: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR2]] = { willreturn }
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;.
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