third_party/llvm-7.0/llvm/test/CodeGen/Hexagon/bank-conflict-load.mir

# RUN: llc -march=hexagon -run-pass post-RA-sched %s -o - | FileCheck %s

# The two loads from %a ($r0) can cause a bank conflict. Check that they
# are not scheduled next to each other.

# CHECK: L2_loadri_io $r0, 8
# CHECK: L2_loadri_io killed $r1, 0
# CHECK: L2_loadri_io killed $r0, 12

--- |
  define void @foo(i32* %a, i32* %b) {
    ret void
  }
...

---
name: foo
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $r0, $r1

    $r2 = L2_loadri_io $r0, 8 :: (load 4 from %ir.a)
    $r3 = L2_loadri_io killed $r0, 12 :: (load 4 from %ir.a)
    $r4 = L2_loadri_io killed $r1, 0 :: (load 4 from %ir.b)
...