e87f10a771
When we run the CGSCC pass we should only invest time on the SCC. We can initialize AAs with information from the module slice but we should not update those AAs. We make an exception for are call site of the SCC as they are helpful providing information for the SCC. Minor modifications to pointer privatization allow us to perform it even in the CGSCC pass, similar to ArgumentPromotion.
157 lines
7.5 KiB
LLVM
157 lines
7.5 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 -attributor -enable-new-pm=0 -attributor-enable-call-site-specific-deduction=true -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-enable-call-site-specific-deduction=true -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -attributor-enable-call-site-specific-deduction=true -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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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,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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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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; IS__TUNIT____-LABEL: define {{[^@]+}}@test1
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; IS__TUNIT____-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]]) #[[ATTR1:[0-9]+]], !range [[RNG0:![0-9]+]]
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; IS__TUNIT____-NEXT: [[TMP2:%.*]] = sub nsw i32 [[TMP1]], [[B]]
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; IS__TUNIT____-NEXT: ret i32 [[TMP2]]
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@test1
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; IS__CGSCC____-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR1:[0-9]+]] {
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]])
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; IS__CGSCC____-NEXT: [[TMP2:%.*]] = sub nsw i32 [[TMP1]], [[B]]
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; IS__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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; IS__TUNIT____-LABEL: define {{[^@]+}}@test2
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; IS__TUNIT____-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]]) #[[ATTR1]], !range [[RNG0]]
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; IS__TUNIT____-NEXT: [[TMP2:%.*]] = add nsw i32 [[TMP1]], [[B]]
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; IS__TUNIT____-NEXT: ret i32 [[TMP2]]
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@test2
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; IS__CGSCC____-SAME: (i32 [[UNKNOWN:%.*]], i32 [[B:%.*]]) #[[ATTR1]] {
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = call i32 @test_range(i32 [[UNKNOWN]])
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; IS__CGSCC____-NEXT: [[TMP2:%.*]] = add nsw i32 [[TMP1]], [[B]]
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; IS__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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; IS__TUNIT____-LABEL: define {{[^@]+}}@test1_pcheck
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; IS__TUNIT____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: ret i32 1
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@test1_pcheck
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; IS__CGSCC____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20)
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; IS__CGSCC____-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 90
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; IS__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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; IS__TUNIT____-LABEL: define {{[^@]+}}@test2_pcheck
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; IS__TUNIT____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: ret i32 1
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@test2_pcheck
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; IS__CGSCC____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20)
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; IS__CGSCC____-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 20
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; IS__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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; IS__TUNIT____-LABEL: define {{[^@]+}}@test1_ncheck
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; IS__TUNIT____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20) #[[ATTR1]], !range [[RNG1:![0-9]+]]
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; IS__TUNIT____-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 10
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; IS__TUNIT____-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; IS__TUNIT____-NEXT: ret i32 [[TMP3]]
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@test1_ncheck
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; IS__CGSCC____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = call i32 @test1(i32 [[UNKNOWN]], i32 noundef 20)
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; IS__CGSCC____-NEXT: [[TMP2:%.*]] = icmp sle i32 [[TMP1]], 10
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; IS__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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; IS__TUNIT____-LABEL: define {{[^@]+}}@test2_ncheck
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; IS__TUNIT____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR0]] {
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; IS__TUNIT____-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20) #[[ATTR1]], !range [[RNG2:![0-9]+]]
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; IS__TUNIT____-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 30
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; IS__TUNIT____-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; IS__TUNIT____-NEXT: ret i32 [[TMP3]]
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@test2_ncheck
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; IS__CGSCC____-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
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; IS__CGSCC____-NEXT: [[TMP1:%.*]] = call i32 @test2(i32 [[UNKNOWN]], i32 noundef 20)
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; IS__CGSCC____-NEXT: [[TMP2:%.*]] = icmp sge i32 [[TMP1]], 30
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; IS__CGSCC____-NEXT: [[TMP3:%.*]] = zext i1 [[TMP2]] to i32
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; IS__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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; IS__TUNIT____: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
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; IS__TUNIT____: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
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;.
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; IS__CGSCC____: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
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; IS__CGSCC____: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
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; IS__CGSCC____: attributes #[[ATTR2:[0-9]+]] = { readnone willreturn }
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;.
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; IS__TUNIT____: [[RNG0]] = !{i32 0, i32 101}
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; IS__TUNIT____: [[RNG1]] = !{i32 -20, i32 81}
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; IS__TUNIT____: [[RNG2]] = !{i32 20, i32 121}
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;.
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