llvm/test/CodeGen/AMDGPU/verify-duplicate-literal.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass machineverifier -o - %s | FileCheck %s

# Two uses of the same literal only count as one use of the constant bus.

---
name: use_duplicate_literal_cndmask
tracksRegLiveness: true
body:            |
  bb.0:
    liveins: $vcc_lo
    ; CHECK-LABEL: name: use_duplicate_literal_cndmask
    ; CHECK: liveins: $vcc_lo
    ; CHECK: $vgpr0 = V_CNDMASK_B32_e64 0, 1234567, 0, 1234567, killed $vcc_lo, implicit $exec
    $vgpr0 = V_CNDMASK_B32_e64 0, 1234567, 0, 1234567, killed $vcc_lo, implicit $exec
...

---
name: use_duplicate_literal_fma
tracksRegLiveness: true
body:            |
  bb.0:
    liveins: $vgpr0
    ; CHECK-LABEL: name: use_duplicate_literal_fma
    ; CHECK: liveins: $vgpr0
    ; CHECK: $vgpr0 = V_FMA_F32_e64 0, $vgpr0, 0, 1077936128, 0, 1077936128, 0, 0, implicit $mode, implicit $exec
    $vgpr0 = V_FMA_F32_e64 0, $vgpr0, 0, 1077936128, 0, 1077936128, 0, 0, implicit $mode, implicit $exec
...