1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes 2; 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 3; 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 4; 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 5; 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 6 7; Make sure we need a single iteration to determine the chains are dead/alive. 8 9declare i32 @source() nounwind readonly 10 11define i32 @chain_dead(i32 %arg) { 12; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 13; IS__TUNIT____-LABEL: define {{[^@]+}}@chain_dead 14; IS__TUNIT____-SAME: (i32 [[ARG:%.*]]) [[ATTR1:#.*]] { 15; IS__TUNIT____-NEXT: ret i32 0 16; 17; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 18; IS__CGSCC____-LABEL: define {{[^@]+}}@chain_dead 19; IS__CGSCC____-SAME: (i32 [[ARG:%.*]]) [[ATTR1:#.*]] { 20; IS__CGSCC____-NEXT: ret i32 0 21; 22 %init = call i32 @source() 23 %v0 = add i32 %arg, %init 24 %v1 = add i32 %init, %v0 25 %v2 = add i32 %v0, %v1 26 %v3 = add i32 %v1, %v2 27 %v4 = add i32 %v2, %v3 28 %v5 = add i32 %v3, %v4 29 %v6 = add i32 %v4, %v5 30 %v7 = add i32 %v5, %v6 31 %v8 = add i32 %v6, %v7 32 %v9 = add i32 %v7, %v8 33 ret i32 0 34} 35 36define i32 @chain_alive(i32 %arg) { 37; CHECK: Function Attrs: nounwind readonly 38; CHECK-LABEL: define {{[^@]+}}@chain_alive 39; CHECK-SAME: (i32 [[ARG:%.*]]) [[ATTR0:#.*]] { 40; CHECK-NEXT: [[INIT:%.*]] = call i32 @source() [[ATTR2:#.*]] 41; CHECK-NEXT: [[V0:%.*]] = add i32 [[ARG]], [[INIT]] 42; CHECK-NEXT: [[V1:%.*]] = add i32 [[INIT]], [[V0]] 43; CHECK-NEXT: [[V2:%.*]] = add i32 [[V0]], [[V1]] 44; CHECK-NEXT: [[V3:%.*]] = add i32 [[V1]], [[V2]] 45; CHECK-NEXT: [[V4:%.*]] = add i32 [[V2]], [[V3]] 46; CHECK-NEXT: [[V5:%.*]] = add i32 [[V3]], [[V4]] 47; CHECK-NEXT: [[V6:%.*]] = add i32 [[V4]], [[V5]] 48; CHECK-NEXT: [[V7:%.*]] = add i32 [[V5]], [[V6]] 49; CHECK-NEXT: [[V8:%.*]] = add i32 [[V6]], [[V7]] 50; CHECK-NEXT: [[V9:%.*]] = add i32 [[V7]], [[V8]] 51; CHECK-NEXT: ret i32 [[V9]] 52; 53 %init = call i32 @source() 54 %v0 = add i32 %arg, %init 55 %v1 = add i32 %init, %v0 56 %v2 = add i32 %v0, %v1 57 %v3 = add i32 %v1, %v2 58 %v4 = add i32 %v2, %v3 59 %v5 = add i32 %v3, %v4 60 %v6 = add i32 %v4, %v5 61 %v7 = add i32 %v5, %v6 62 %v8 = add i32 %v6, %v7 63 %v9 = add i32 %v7, %v8 64 ret i32 %v9 65} 66