b672c602c7
We had some custom handling for existing MemoryEffects but we now move it to the place we check other existing attributes before we manifest new ones. If we later decide to curb duplication (of attributes on the call site and callee), we can do that at a single location and for all attributes. The test changes basically add known `memory` callee information to the call sites.
162 lines
6.0 KiB
LLVM
162 lines
6.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes --check-attributes --check-globals
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; Deep Wrapper disabled
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK_DISABLED
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; Deep Wrapper enabled
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -attributor-allow-deep-wrappers -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK_ENABLED
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; TEST 1: This function is of linkage `linkonce`, we cannot internalize this
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; function and use information derived from it
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;
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; CHECK-NOT: inner1.internalized
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define linkonce i32 @inner1(i32 %a, i32 %b) {
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; CHECK-LABEL: define {{[^@]+}}@inner1
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[B]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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entry:
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%c = add i32 %a, %b
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ret i32 %c
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}
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; TEST 2: This function is of linkage `weak`, we cannot internalize this function and
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; use information derived from it
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;
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; CHECK-NOT: inner2.internalized
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define weak i32 @inner2(i32 %a, i32 %b) {
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; CHECK-LABEL: define {{[^@]+}}@inner2
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[B]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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entry:
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%c = add i32 %a, %b
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ret i32 %c
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}
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; TEST 3: This function is of linkage `linkonce_odr`, which can be internalized using the
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; deep wrapper, and the IP information derived from this function can be used
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;
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define linkonce_odr i32 @inner3(i32 %a, i32 %b) {
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; CHECK_DISABLED-LABEL: define {{[^@]+}}@inner3
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; CHECK_DISABLED-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK_DISABLED-NEXT: entry:
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; CHECK_DISABLED-NEXT: [[C:%.*]] = add i32 [[A]], [[B]]
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; CHECK_DISABLED-NEXT: ret i32 [[C]]
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;
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entry:
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%c = add i32 %a, %b
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ret i32 %c
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}
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; TEST 4: This function is of linkage `weak_odr`, which can be internalized using the deep
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; wrapper
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;
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define weak_odr i32 @inner4(i32 %a, i32 %b) {
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; CHECK_DISABLED-LABEL: define {{[^@]+}}@inner4
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; CHECK_DISABLED-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK_DISABLED-NEXT: entry:
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; CHECK_DISABLED-NEXT: [[C:%.*]] = add i32 [[A]], [[B]]
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; CHECK_DISABLED-NEXT: ret i32 [[C]]
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;
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entry:
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%c = add i32 %a, %b
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ret i32 %c
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}
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; TEST 5: This function has linkage `linkonce_odr` but is never called (num of use = 0), so there
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; is no need to internalize this
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;
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; CHECK-NOT: inner5.internalized
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define linkonce_odr i32 @inner5(i32 %a, i32 %b) {
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; CHECK-LABEL: define {{[^@]+}}@inner5
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[B]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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entry:
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%c = add i32 %a, %b
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ret i32 %c
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}
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; Since the inner1 cannot be internalized, there should be no change to its callsite
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; Since the inner2 cannot be internalized, there should be no change to its callsite
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; Since the inner3 is internalized, the use of the original function should be replaced by the
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; copied one
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;
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define i32 @outer1() {
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; CHECK_DISABLED-LABEL: define {{[^@]+}}@outer1() {
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; CHECK_DISABLED-NEXT: entry:
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; CHECK_DISABLED-NEXT: [[RET1:%.*]] = call i32 @inner1(i32 noundef 1, i32 noundef 2)
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; CHECK_DISABLED-NEXT: [[RET2:%.*]] = call i32 @inner2(i32 noundef 1, i32 noundef 2)
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; CHECK_DISABLED-NEXT: [[RET3:%.*]] = call i32 @inner3(i32 [[RET1]], i32 [[RET2]])
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; CHECK_DISABLED-NEXT: [[RET4:%.*]] = call i32 @inner4(i32 [[RET3]], i32 [[RET3]])
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; CHECK_DISABLED-NEXT: ret i32 [[RET4]]
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;
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; CHECK_ENABLED-LABEL: define {{[^@]+}}@outer1() {
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; CHECK_ENABLED-NEXT: entry:
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; CHECK_ENABLED-NEXT: [[RET1:%.*]] = call i32 @inner1(i32 noundef 1, i32 noundef 2)
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; CHECK_ENABLED-NEXT: [[RET2:%.*]] = call i32 @inner2(i32 noundef 1, i32 noundef 2)
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; CHECK_ENABLED-NEXT: [[RET3:%.*]] = call i32 @inner3.internalized(i32 [[RET1]], i32 [[RET2]])
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; CHECK_ENABLED-NEXT: [[RET4:%.*]] = call i32 @inner4.internalized(i32 [[RET3]], i32 [[RET3]])
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; CHECK_ENABLED-NEXT: ret i32 [[RET4]]
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;
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entry:
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%ret1 = call i32 @inner1(i32 1, i32 2)
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%ret2 = call i32 @inner2(i32 1, i32 2)
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%ret3 = call i32 @inner3(i32 %ret1, i32 %ret2)
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%ret4 = call i32 @inner4(i32 %ret3, i32 %ret3)
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ret i32 %ret4
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}
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define linkonce_odr void @unused_arg(i8) {
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; CHECK_DISABLED-LABEL: define {{[^@]+}}@unused_arg
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; CHECK_DISABLED-SAME: (i8 [[TMP0:%.*]]) {
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; CHECK_DISABLED-NEXT: unreachable
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;
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unreachable
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}
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define void @unused_arg_caller() {
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; CHECK_DISABLED-LABEL: define {{[^@]+}}@unused_arg_caller() {
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; CHECK_DISABLED-NEXT: call void @unused_arg(i8 noundef 0)
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; CHECK_DISABLED-NEXT: ret void
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;
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; CHECK_ENABLED: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
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; CHECK_ENABLED-LABEL: define {{[^@]+}}@unused_arg_caller
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; CHECK_ENABLED-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK_ENABLED-NEXT: unreachable
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;
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; CGSCC_ENABLED: Function Attrs: nofree norecurse noreturn nosync nounwind readnone willreturn
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; CGSCC_ENABLED-LABEL: define {{[^@]+}}@unused_arg_caller
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; CGSCC_ENABLED-SAME: () #[[ATTR2:[0-9]+]] {
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; CGSCC_ENABLED-NEXT: unreachable
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call void @unused_arg(i8 0)
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ret void
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}
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; Don't crash on linkonce_odr hidden functions
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define linkonce_odr hidden void @__clang_call_terminate() {
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; CHECK_DISABLED-LABEL: define {{[^@]+}}@__clang_call_terminate() {
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; CHECK_DISABLED-NEXT: call void @__clang_call_terminate()
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; CHECK_DISABLED-NEXT: unreachable
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;
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call void @__clang_call_terminate()
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unreachable
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}
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; CGSCC_ENABLED: attributes #[[ATTR0:[0-9]+]] = { nofree nosync nounwind readnone willreturn }
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; CGSCC_ENABLED: attributes #[[ATTR1:[0-9]+]] = { nofree noreturn nosync nounwind readnone willreturn }
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; CGSCC_ENABLED: attributes #[[ATTR2]] = { nofree norecurse noreturn nosync nounwind readnone willreturn }
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;.
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; CHECK_ENABLED: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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; CHECK_ENABLED: attributes #[[ATTR1:[0-9]+]] = { nounwind memory(none) }
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;.
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