llvm/test/CodeGen/AArch64/misched-cutoff.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=aarch64 -passes=machine-scheduler -o - %s | FileCheck %s
# RUN: llc -mtriple=aarch64 -passes=machine-scheduler -misched-cutoff=1 -debug-only=machine-scheduler -o - %s 2>&1 | FileCheck %s --check-prefix=CHECK-CUTOFF

# REQUIRES: asserts

# CHECK-CUTOFF-COUNT-1: Scheduling SU

# NOTE: copied from machine-scheduler.mir

--- |
  define i64 @load_imp-def(ptr nocapture %P, i32 %v) {
  entry:
    %0 = bitcast ptr %P to ptr
    %1 = load i32, ptr %0
    %conv = zext i32 %1 to i64
    %arrayidx19 = getelementptr inbounds i64, ptr %P, i64 1
    %arrayidx1 = bitcast ptr %arrayidx19 to ptr
    store i32 %v, ptr %arrayidx1
    %2 = load i64, ptr %arrayidx19
    %and = and i64 %2, 4294967295
    %add = add nuw nsw i64 %and, %conv
    ret i64 %add
  }
...
---
name: load_imp-def
tracksRegLiveness: true
body: |
  bb.0.entry:
    liveins: $w1, $x0
    ; CHECK-LABEL: name: load_imp-def
    ; CHECK: liveins: $w1, $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $w8 = LDRWui $x0, 1, implicit-def $x8 :: (load (s32) from %ir.0)
    ; CHECK-NEXT: $w9 = LDRWui $x0, 0, implicit-def $x9 :: (load (s32) from %ir.arrayidx19, align 8)
    ; CHECK-NEXT: STRWui $w1, $x0, 2 :: (store (s32) into %ir.arrayidx1)
    ; CHECK-NEXT: $x0 = ADDXrr killed $x9, killed $x8
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    ;
    ; CHECK-CUTOFF-LABEL: name: load_imp-def
    ; CHECK-CUTOFF: liveins: $w1, $x0
    ; CHECK-CUTOFF-NEXT: {{  $}}
    ; CHECK-CUTOFF-NEXT: $w8 = LDRWui $x0, 1, implicit-def $x8 :: (load (s32) from %ir.0)
    ; CHECK-CUTOFF-NEXT: STRWui $w1, $x0, 2 :: (store (s32) into %ir.arrayidx1)
    ; CHECK-CUTOFF-NEXT: $w9 = LDRWui $x0, 0, implicit-def $x9 :: (load (s32) from %ir.arrayidx19, align 8)
    ; CHECK-CUTOFF-NEXT: $x0 = ADDXrr killed $x9, killed $x8
    ; CHECK-CUTOFF-NEXT: RET_ReallyLR implicit $x0
    $w8 = LDRWui $x0, 1, implicit-def $x8  :: (load (s32) from %ir.0)
    STRWui killed $w1, $x0, 2 :: (store (s32) into %ir.arrayidx1)
    $w9 = LDRWui killed $x0, 0, implicit-def $x9  :: (load (s32) from %ir.arrayidx19, align 8)
    $x0 = ADDXrr killed $x9, killed $x8
    RET_ReallyLR implicit $x0
...