369930bc20
If an attribute is implied by the IR we do not (always) create an AA anymore. To keep test coverage, and given the lack of a good heuristic to decide otherwise, we will now also manifest such attributes.
155 lines
6.3 KiB
LLVM
155 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes --check-globals
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; call site specific analysis is enabled
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-enable-call-site-specific-deduction=true -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-enable-call-site-specific-deduction=true -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
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define i32 @test_range(i32 %unknown) {
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; CHECK-LABEL: define {{[^@]+}}@test_range
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; CHECK-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[UNKNOWN]], 100
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; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 100, i32 0
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; CHECK-NEXT: ret i32 [[TMP2]]
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;
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%1 = icmp sgt i32 %unknown, 100
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%2 = select i1 %1, i32 100, i32 0
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ret i32 %2
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}
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define i32 @test1(i32 %unknown, i32 %b) {
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; TUNIT-LABEL: define {{[^@]+}}@test1
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; TUNIT-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]])
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; TUNIT-NEXT: [[TMP2:%.*]] = sub nsw i32 [[TMP1]], [[B]]
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; TUNIT-NEXT: ret i32 [[TMP2]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@test1
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; CGSCC-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR1:[0-9]+]] {
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; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]])
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; CGSCC-NEXT: [[TMP2:%.*]] = sub nsw i32 [[TMP1]], [[B]]
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; CGSCC-NEXT: ret i32 [[TMP2]]
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;
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%1 = call i32 @test_range(i32 %unknown)
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%2 = sub nsw i32 %1, %b
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ret i32 %2
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}
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define i32 @test2(i32 %unknown, i32 %b) {
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; TUNIT-LABEL: define {{[^@]+}}@test2
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; TUNIT-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]])
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; TUNIT-NEXT: [[TMP2:%.*]] = add nsw i32 [[TMP1]], [[B]]
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; TUNIT-NEXT: ret i32 [[TMP2]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@test2
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; CGSCC-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR1]] {
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; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]])
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; CGSCC-NEXT: [[TMP2:%.*]] = add nsw i32 [[TMP1]], [[B]]
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; CGSCC-NEXT: ret i32 [[TMP2]]
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;
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%1 = call i32 @test_range(i32 %unknown)
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%2 = add nsw i32 %1, %b
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ret i32 %2
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}
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; Positive checks
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; FIXME: AAValueSimplify preserves the context but simplifies to a value in the other function, I think.
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; Either way, as we settle on the new AAValueSimplifyReturned scheme that replaces AAReturnedValues
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; we need to look into this again. For the purpose of making some progress we take this regression
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; for now, call site contexts are not on by default anyway (yet).
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define i32 @test1_pcheck(i32 %unknown) {
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; TUNIT-LABEL: define {{[^@]+}}@test1_pcheck
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; TUNIT-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20)
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; TUNIT-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 90
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; TUNIT-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; TUNIT-NEXT: ret i32 [[TMP3]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@test1_pcheck
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; CGSCC-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20)
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; CGSCC-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 90
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; CGSCC-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; CGSCC-NEXT: ret i32 [[TMP3]]
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;
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%1 = call i32 @test1(i32 %unknown, i32 20)
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%2 = icmp sle i32 %1, 90
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%3 = zext i1 %2 to i32
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ret i32 %3
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}
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define i32 @test2_pcheck(i32 %unknown) {
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; TUNIT-LABEL: define {{[^@]+}}@test2_pcheck
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; TUNIT-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20)
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; TUNIT-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 20
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; TUNIT-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; TUNIT-NEXT: ret i32 [[TMP3]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@test2_pcheck
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; CGSCC-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20)
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; CGSCC-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 20
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; CGSCC-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; CGSCC-NEXT: ret i32 [[TMP3]]
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;
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%1 = call i32 @test2(i32 %unknown, i32 20)
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%2 = icmp sge i32 %1, 20
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%3 = zext i1 %2 to i32
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ret i32 %3
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}
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; Negative checks
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define i32 @test1_ncheck(i32 %unknown) {
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; TUNIT-LABEL: define {{[^@]+}}@test1_ncheck
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; TUNIT-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20)
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; TUNIT-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 10
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; TUNIT-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; TUNIT-NEXT: ret i32 [[TMP3]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@test1_ncheck
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; CGSCC-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20)
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; CGSCC-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 10
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; CGSCC-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; CGSCC-NEXT: ret i32 [[TMP3]]
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;
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%1 = call i32 @test1(i32 %unknown, i32 20)
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%2 = icmp sle i32 %1, 10
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%3 = zext i1 %2 to i32
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ret i32 %3
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}
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define i32 @test2_ncheck(i32 %unknown) {
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; TUNIT-LABEL: define {{[^@]+}}@test2_ncheck
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; TUNIT-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20)
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; TUNIT-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 30
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; TUNIT-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; TUNIT-NEXT: ret i32 [[TMP3]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@test2_ncheck
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; CGSCC-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; CGSCC-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20)
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; CGSCC-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 30
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; CGSCC-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; CGSCC-NEXT: ret i32 [[TMP3]]
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;
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%1 = call i32 @test2(i32 %unknown, i32 20)
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%2 = icmp sge i32 %1, 30
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%3 = zext i1 %2 to i32
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ret i32 %3
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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; TUNIT: attributes #[[ATTR1:[0-9]+]] = { nofree nosync nounwind willreturn memory(none) }
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;.
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; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR2:[0-9]+]] = { nofree willreturn }
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;.
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