1; REQUIRES: asserts 2; RUN: llc %s -debug-pass=Structure -verify-machineinstrs \ 3; RUN: --debug-only=machine-outliner -enable-machine-outliner=always \ 4; RUN: -mtriple arm64---- -o /dev/null 2>&1 \ 5; RUN: | FileCheck %s -check-prefix=ALWAYS 6 7; RUN: llc %s -debug-pass=Structure -verify-machineinstrs \ 8; RUN: --debug-only=machine-outliner -enable-machine-outliner \ 9; RUN: -mtriple arm64---- -o /dev/null 2>&1 \ 10; RUN: | FileCheck %s -check-prefix=ENABLE 11 12; RUN: llc %s -debug-pass=Structure -verify-machineinstrs \ 13; RUN: -enable-machine-outliner=never -mtriple arm64---- -o /dev/null 2>&1 \ 14; RUN: | FileCheck %s -check-prefix=NEVER 15 16; RUN: llc %s -debug-pass=Structure -verify-machineinstrs \ 17; RUN: --debug-only=machine-outliner -mtriple arm64---- -o /dev/null 2>&1 \ 18; RUN: | FileCheck %s -check-prefix=NOT-ADDED 19 20; RUN: llc %s -O=0 -debug-pass=Structure -verify-machineinstrs \ 21; RUN: -mtriple arm64---- -o /dev/null 2>&1 \ 22; RUN: | FileCheck %s -check-prefix=OPTNONE 23 24; Make sure that the outliner is added to the pass pipeline only when the 25; appropriate flags/settings are set. Make sure it isn't added otherwise. 26; 27; Cases where it should be added: 28; * -enable-machine-outliner 29; * -enable-machine-outliner=always 30; * -enable-machine-outliner is not passed (AArch64 supports 31; target-default outlining) 32; 33; Cases where it should not be added: 34; * -O0 or equivalent 35; * -enable-machine-outliner=never is passed 36 37; ALWAYS: Machine Outliner 38; ALWAYS: Machine Outliner: Running on all functions 39; ENABLE: Machine Outliner 40; ENABLE: Machine Outliner: Running on all functions 41; NEVER-NOT: Machine Outliner 42; NOT-ADDED: Machine Outliner 43; NOT-ADDED: Machine Outliner: Running on target-default functions 44; OPTNONE-NOT: Machine Outliner 45 46define void @foo() { 47 ret void; 48} 49 50