noundef.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
; RUN: opt -attributor -enable-new-pm=0 -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
; 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
; RUN: opt -attributor-cgscc -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
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -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
declare void @unknown()
declare void @bar(i32*)
define void @foo() {
; CHECK-LABEL: define {{[^@]+}}@foo() {
; CHECK-NEXT: [[X:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: call void @bar(i32* noundef nonnull align 4 dereferenceable(4) [[X]])
; CHECK-NEXT: ret void
;
%x = alloca i32
call void @unknown()
call void @bar(i32* %x)
ret void
}
define internal i8* @returned_dead() {
; CHECK-LABEL: define {{[^@]+}}@returned_dead() {
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: ret i8* undef
;
call void @unknown()
ret i8* null
}
define void @caller1() {
; CHECK-LABEL: define {{[^@]+}}@caller1() {
; CHECK-NEXT: [[TMP1:%.*]] = call i8* @returned_dead()
; CHECK-NEXT: ret void
;
call i8* @returned_dead()
ret void
}
define internal void @argument_dead_callback_callee(i8* %c) {
; CHECK-LABEL: define {{[^@]+}}@argument_dead_callback_callee
; CHECK-SAME: (i8* noalias nocapture nofree readnone align 536870912 [[C:%.*]]) {
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: ret void
;
call void @unknown()
ret void
}
define void @callback_caller() {
; IS__TUNIT____-LABEL: define {{[^@]+}}@callback_caller() {
; IS__TUNIT____-NEXT: call void @callback_broker(void (i8*)* noundef @argument_dead_callback_callee, i8* noalias nocapture nofree readnone align 536870912 undef)
; IS__TUNIT____-NEXT: ret void
;
; IS__CGSCC____-LABEL: define {{[^@]+}}@callback_caller() {
; IS__CGSCC____-NEXT: call void @callback_broker(void (i8*)* noundef @argument_dead_callback_callee, i8* noalias nocapture nofree noundef readnone align 536870912 null)
; IS__CGSCC____-NEXT: ret void
;
call void @callback_broker(void (i8*)* @argument_dead_callback_callee, i8* null)
ret void
}
declare !callback !0 void @callback_broker(void (i8*)*, i8*)
!1 = !{i64 0, i64 1, i1 false}
!0 = !{!1}