1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals 2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT 3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC 4 5; Make sure we need a single iteration to determine the chains are dead/alive. 6 7declare i32 @source() nounwind readonly 8 9define i32 @chain_dead(i32 %arg) { 10; CHECK: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none) 11; CHECK-LABEL: define {{[^@]+}}@chain_dead 12; CHECK-SAME: (i32 [[ARG:%.*]]) #[[ATTR1:[0-9]+]] { 13; CHECK-NEXT: ret i32 0 14; 15 %init = call i32 @source() 16 %v0 = add i32 %arg, %init 17 %v1 = add i32 %init, %v0 18 %v2 = add i32 %v0, %v1 19 %v3 = add i32 %v1, %v2 20 %v4 = add i32 %v2, %v3 21 %v5 = add i32 %v3, %v4 22 %v6 = add i32 %v4, %v5 23 %v7 = add i32 %v5, %v6 24 %v8 = add i32 %v6, %v7 25 %v9 = add i32 %v7, %v8 26 ret i32 0 27} 28 29define i32 @chain_alive(i32 %arg) { 30; CHECK: Function Attrs: nosync nounwind memory(read) 31; CHECK-LABEL: define {{[^@]+}}@chain_alive 32; CHECK-SAME: (i32 [[ARG:%.*]]) #[[ATTR2:[0-9]+]] { 33; CHECK-NEXT: [[INIT:%.*]] = call i32 @source() #[[ATTR2]] 34; CHECK-NEXT: [[V0:%.*]] = add i32 [[ARG]], [[INIT]] 35; CHECK-NEXT: [[V1:%.*]] = add i32 [[INIT]], [[V0]] 36; CHECK-NEXT: [[V2:%.*]] = add i32 [[V0]], [[V1]] 37; CHECK-NEXT: [[V3:%.*]] = add i32 [[V1]], [[V2]] 38; CHECK-NEXT: [[V4:%.*]] = add i32 [[V2]], [[V3]] 39; CHECK-NEXT: [[V5:%.*]] = add i32 [[V3]], [[V4]] 40; CHECK-NEXT: [[V6:%.*]] = add i32 [[V4]], [[V5]] 41; CHECK-NEXT: [[V7:%.*]] = add i32 [[V5]], [[V6]] 42; CHECK-NEXT: [[V8:%.*]] = add i32 [[V6]], [[V7]] 43; CHECK-NEXT: [[V9:%.*]] = add i32 [[V7]], [[V8]] 44; CHECK-NEXT: ret i32 [[V9]] 45; 46 %init = call i32 @source() 47 %v0 = add i32 %arg, %init 48 %v1 = add i32 %init, %v0 49 %v2 = add i32 %v0, %v1 50 %v3 = add i32 %v1, %v2 51 %v4 = add i32 %v2, %v3 52 %v5 = add i32 %v3, %v4 53 %v6 = add i32 %v4, %v5 54 %v7 = add i32 %v5, %v6 55 %v8 = add i32 %v6, %v7 56 %v9 = add i32 %v7, %v8 57 ret i32 %v9 58} 59;. 60; CHECK: attributes #[[ATTR0:[0-9]+]] = { nounwind memory(read) } 61; CHECK: attributes #[[ATTR1]] = { mustprogress nofree nosync nounwind willreturn memory(none) } 62; CHECK: attributes #[[ATTR2]] = { nosync nounwind memory(read) } 63;. 64;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: 65; CGSCC: {{.*}} 66; TUNIT: {{.*}} 67