forked from OSchip/llvm-project
133 lines
5.1 KiB
LLVM
133 lines
5.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; 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
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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
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; 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
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; 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
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declare void @unknown()
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declare void @bar(i32*)
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define void @foo() {
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; CHECK-LABEL: define {{[^@]+}}@foo() {
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; CHECK-NEXT: [[X:%.*]] = alloca i32, align 4
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @bar(i32* noundef nonnull align 4 dereferenceable(4) [[X]])
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; CHECK-NEXT: ret void
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;
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%x = alloca i32
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call void @unknown()
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call void @bar(i32* %x)
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ret void
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}
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define internal i8* @returned_dead() {
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; CHECK-LABEL: define {{[^@]+}}@returned_dead() {
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: ret i8* undef
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;
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call void @unknown()
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ret i8* null
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}
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define void @caller1() {
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; CHECK-LABEL: define {{[^@]+}}@caller1() {
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; CHECK-NEXT: [[TMP1:%.*]] = call i8* @returned_dead()
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; CHECK-NEXT: ret void
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;
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call i8* @returned_dead()
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ret void
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}
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define internal void @argument_dead_callback_callee(i8* %c) {
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; CHECK-LABEL: define {{[^@]+}}@argument_dead_callback_callee
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; CHECK-SAME: (i8* noalias nocapture nofree readnone align 536870912 [[C:%.*]]) {
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: ret void
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;
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call void @unknown()
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ret void
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}
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define void @callback_caller() {
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; IS__TUNIT____-LABEL: define {{[^@]+}}@callback_caller() {
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; IS__TUNIT____-NEXT: call void @callback_broker(void (i8*)* noundef @argument_dead_callback_callee, i8* noalias nocapture nofree readnone align 536870912 undef)
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____-LABEL: define {{[^@]+}}@callback_caller() {
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; IS__CGSCC____-NEXT: call void @callback_broker(void (i8*)* noundef @argument_dead_callback_callee, i8* noalias nocapture nofree noundef readnone align 536870912 null)
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; IS__CGSCC____-NEXT: ret void
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;
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call void @callback_broker(void (i8*)* @argument_dead_callback_callee, i8* null)
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ret void
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}
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; Drop the noundef if when we replace the call argument with `undef`. We use a
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; varargs function as we cannot (yet) rewrite their signature. If we ever can,
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; try to come up with a different scheme to verify the `noundef` is dropped if
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; signature rewriting is not happening.
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define internal void @callee_with_dead_noundef_arg(i1 noundef %create, ...) {
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; CHECK-LABEL: define {{[^@]+}}@callee_with_dead_noundef_arg
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; CHECK-SAME: (i1 [[CREATE:%.*]], ...) {
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: ret void
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;
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call void @unknown()
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ret void
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}
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define void @caller_with_unused_arg(i1 %c) {
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; CHECK-LABEL: define {{[^@]+}}@caller_with_unused_arg
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; CHECK-SAME: (i1 [[C:%.*]]) {
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; CHECK-NEXT: call void (i1, ...) @callee_with_dead_noundef_arg(i1 undef)
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; CHECK-NEXT: ret void
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;
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call void (i1, ...) @callee_with_dead_noundef_arg(i1 %c)
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ret void
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}
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define internal void @callee_with_dead_arg(i1 %create, ...) {
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;
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; CHECK-LABEL: define {{[^@]+}}@callee_with_dead_arg
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; CHECK-SAME: (i1 [[CREATE:%.*]], ...) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[IF_THEN3:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: unreachable
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; CHECK: if.then3:
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: ret void
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;
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entry:
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br i1 %create, label %if.then3, label %if.then
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if.then: ; preds = %entry
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ret void
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if.then3: ; preds = %entry
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call void @unknown()
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ret void
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}
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; Drop the noundef if when we replace the call argument with `undef`. We use a
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; varargs function as we cannot (yet) rewrite their signature. If we ever can,
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; try to come up with a different scheme to verify the `noundef` is dropped if
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; signature rewriting is not happening.
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define void @caller_with_noundef_arg() {
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;
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; CHECK-LABEL: define {{[^@]+}}@caller_with_noundef_arg() {
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; CHECK-NEXT: call void (i1, ...) @callee_with_dead_arg(i1 undef)
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; CHECK-NEXT: ret void
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;
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call void (i1, ...) @callee_with_dead_arg(i1 noundef true)
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ret void
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}
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declare !callback !0 void @callback_broker(void (i8*)*, i8*)
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!1 = !{i64 0, i64 1, i1 false}
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!0 = !{!1}
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;.
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; CHECK: [[META0:![0-9]+]] = !{!1}
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; CHECK: [[META1:![0-9]+]] = !{i64 0, i64 1, i1 false}
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;.
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