--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
+; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=10 -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=10 -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
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+
+%0 = type { i32, %1, %2* }
+%1 = type { i32 }
+%2 = type opaque
+
+define hidden %0* @f1(i64 %0, i64 %1) {
+; CHECK-LABEL: define {{[^@]+}}@f1
+; CHECK-SAME: (i64 [[TMP0:%.*]], i64 [[TMP1:%.*]]) {
+; CHECK-NEXT: [[TMP3:%.*]] = call { %0*, i64 } @f3(i64 [[TMP0]])
+; CHECK-NEXT: ret %0* undef
+;
+ %3 = call { %0*, i64 } @f3(i64 %0)
+ ret %0* undef
+}
+
+define linkonce_odr hidden { %0*, i64 } @f3(i64 %0) align 2 {
+; CHECK-LABEL: define {{[^@]+}}@f3
+; CHECK-SAME: (i64 [[TMP0:%.*]]) align 2 {
+; CHECK-NEXT: [[TMP2:%.*]] = call i32 @f4()
+; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
+; CHECK-NEXT: call void @f5(i64 [[TMP3]], i64 [[TMP0]]) #[[ATTR0:[0-9]+]]
+; CHECK-NEXT: ret { %0*, i64 } undef
+;
+ %2 = call i32 @f4()
+ %3 = zext i32 %2 to i64
+ call void @f5(i64 %3, i64 %0)
+ ret { %0*, i64 } undef
+}
+
+define linkonce_odr hidden i32 @f4() align 2 {
+; CHECK-LABEL: define {{[^@]+}}@f4() align 2 {
+; CHECK-NEXT: ret i32 16
+;
+ ret i32 16
+}
+
+define internal void @f5(i64 %0, i64 %1) {
+; CHECK: Function Attrs: nounwind
+; CHECK-LABEL: define {{[^@]+}}@f5
+; CHECK-SAME: (i64 [[TMP0:%.*]], i64 [[TMP1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT: br label [[TMP3:%.*]]
+; CHECK: 3:
+; CHECK-NEXT: call void @f6(i64 [[TMP0]]) #[[ATTR0]]
+; CHECK-NEXT: [[TMP4:%.*]] = icmp sgt i64 [[TMP1]], [[TMP0]]
+; CHECK-NEXT: br i1 [[TMP4]], label [[TMP5:%.*]], label [[TMP6:%.*]]
+; CHECK: 5:
+; CHECK-NEXT: ret void
+; CHECK: 6:
+; CHECK-NEXT: call void @f5(i64 [[TMP0]], i64 [[TMP1]]) #[[ATTR0]]
+; CHECK-NEXT: br label [[TMP3]]
+;
+ br label %3
+
+3: ; preds = %6, %2
+ call void @f6(i64 %0)
+ %4 = icmp sgt i64 %1, %0
+ br i1 %4, label %5, label %6
+
+5: ; preds = %3
+ ret void
+
+6: ; preds = %3
+ call void @f5(i64 %0, i64 %1)
+ br label %3
+}
+
+define internal void @f6(i64 %0) {
+; CHECK: Function Attrs: nounwind
+; CHECK-LABEL: define {{[^@]+}}@f6
+; CHECK-SAME: (i64 [[TMP0:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i64 [[TMP0]], 0
+; CHECK-NEXT: br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; CHECK: 3:
+; CHECK-NEXT: call void @llvm.trap() #[[ATTR2:[0-9]+]]
+; CHECK-NEXT: unreachable
+; CHECK: 4:
+; CHECK-NEXT: ret void
+;
+ %2 = icmp sgt i64 %0, 0
+ br i1 %2, label %3, label %4
+
+3: ; preds = %1
+ call void @llvm.trap()
+ ret void
+
+4: ; preds = %1
+ ret void
+}
+
+; Function Attrs: cold noreturn nounwind
+declare void @llvm.trap() #0
+
+attributes #0 = { cold noreturn nounwind }
+
+;.
+; CHECK: attributes #[[ATTR0]] = { nounwind }
+; CHECK: attributes #[[ATTR1:[0-9]+]] = { cold noreturn nounwind }
+; CHECK: attributes #[[ATTR2]] = { noreturn }
+;.