1; Note: -verify-machineinstrs is used in order to make this test compatible with EXPENSIVE_CHECKS. 2; RUN: llc < %s -debug-pass=Structure -stop-after=loop-reduce -verify-machineinstrs -o /dev/null 2>&1 \ 3; RUN: | FileCheck %s -check-prefix=STOP-AFTER 4; STOP-AFTER: -loop-reduce 5; STOP-AFTER: Dominator Tree Construction 6; STOP-AFTER: Loop Strength Reduction 7; STOP-AFTER-NEXT: Verify generated machine code 8; STOP-AFTER-NEXT: MIR Printing Pass 9 10; RUN: llc < %s -debug-pass=Structure -stop-before=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=STOP-BEFORE 11; STOP-BEFORE-NOT: -loop-reduce 12; STOP-BEFORE: Dominator Tree Construction 13; STOP-BEFORE-NOT: Loop Strength Reduction 14 15; RUN: llc < %s -debug-pass=Structure -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START-AFTER 16; START-AFTER: -aa -mergeicmps 17; START-AFTER: FunctionPass Manager 18; START-AFTER-NEXT: Dominator Tree Construction 19 20; RUN: llc < %s -debug-pass=Structure -start-before=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START-BEFORE 21; START-BEFORE: -machine-branch-prob -regalloc-evict -domtree 22; START-BEFORE: FunctionPass Manager 23; START-BEFORE: Loop Strength Reduction 24; START-BEFORE-NEXT: Basic Alias Analysis (stateless AA impl) 25 26; RUN: not --crash llc < %s -start-before=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-START-BEFORE 27; RUN: not --crash llc < %s -stop-before=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-STOP-BEFORE 28; RUN: not --crash llc < %s -start-after=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-START-AFTER 29; RUN: not --crash llc < %s -stop-after=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-STOP-AFTER 30; NONEXISTENT-START-BEFORE: "nonexistent" pass is not registered. 31; NONEXISTENT-STOP-BEFORE: "nonexistent" pass is not registered. 32; NONEXISTENT-START-AFTER: "nonexistent" pass is not registered. 33; NONEXISTENT-STOP-AFTER: "nonexistent" pass is not registered. 34 35; RUN: not --crash llc < %s -start-before=loop-reduce -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=DOUBLE-START 36; RUN: not --crash llc < %s -stop-before=loop-reduce -stop-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=DOUBLE-STOP 37; DOUBLE-START: start-before and start-after specified! 38; DOUBLE-STOP: stop-before and stop-after specified! 39