forked from OSchip/llvm-project
165 lines
7.5 KiB
LLVM
165 lines
7.5 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 -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM,CHECK_DISABLED,NOT_CGSCC_NPM_DISABLED,NOT_CGSCC_OPM_DISABLED,NOT_TUNIT_NPM_DISABLED,IS__TUNIT_____DISABLED,IS________OPM_DISABLED,IS__TUNIT_OPM_DISABLED
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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=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM,CHECK_DISABLED,NOT_CGSCC_OPM_DISABLED,NOT_CGSCC_NPM_DISABLED,NOT_TUNIT_OPM_DISABLED,IS__TUNIT_____DISABLED,IS________NPM_DISABLED,IS__TUNIT_NPM_DISABLED
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; Deep Wrapper enabled
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; RUN: opt -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=11 -attributor-allow-deep-wrappers -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM,CHECK_ENABLED,NOT_CGSCC_NPM_ENABLED,NOT_CGSCC_OPM_ENABLED,NOT_TUNIT_NPM_ENABLED,IS__TUNIT_____ENABLED,IS________OPM_ENABLED,IS__TUNIT_OPM_ENABLED
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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=11 -attributor-allow-deep-wrappers -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM,CHECK_ENABLED,NOT_CGSCC_OPM_ENABLED,NOT_CGSCC_NPM_ENABLED,NOT_TUNIT_OPM_ENABLED,IS__TUNIT_____ENABLED,IS________NPM_ENABLED,IS__TUNIT_NPM_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: nofree noreturn nosync nounwind readnone willreturn
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; CHECK_ENABLED-LABEL: define {{[^@]+}}@unused_arg_caller
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; CHECK_ENABLED-SAME: () #[[ATTR1:[0-9]+]] {
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; CHECK_ENABLED-NEXT: unreachable
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;
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; IS__CGSCC_____ENABLED: Function Attrs: nofree norecurse noreturn nosync nounwind readnone willreturn
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; IS__CGSCC_____ENABLED-LABEL: define {{[^@]+}}@unused_arg_caller
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; IS__CGSCC_____ENABLED-SAME: () #[[ATTR2:[0-9]+]] {
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; IS__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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; IS__CGSCC_____ENABLED: attributes #[[ATTR0:[0-9]+]] = { nofree nosync nounwind readnone willreturn }
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; IS__CGSCC_____ENABLED: attributes #[[ATTR1:[0-9]+]] = { nofree noreturn nosync nounwind readnone willreturn }
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; IS__CGSCC_____ENABLED: attributes #[[ATTR2]] = { nofree norecurse noreturn nosync nounwind readnone willreturn }
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;.
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; CHECK_ENABLED: attributes #[[ATTR0:[0-9]+]] = { nofree nosync nounwind readnone willreturn }
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; CHECK_ENABLED: attributes #[[ATTR1]] = { nofree noreturn nosync nounwind readnone willreturn }
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; CHECK_ENABLED: attributes #[[ATTR2:[0-9]+]] = { nounwind readnone }
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;.
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