llvm/test/CodeGen/AMDGPU/cmp_shrink.mir


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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass si-shrink-instructions -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -passes si-shrink-instructions -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s

---
name:             not_shrink_icmp
body:             |
  bb.0:
    ; GCN-LABEL: name: not_shrink_icmp
    ; GCN: S_CMP_LT_I32 65, 1, implicit-def $scc
    S_CMP_GT_I32 1, 65, implicit-def $scc
...

---
name:             shrink_icmp
body:             |
  bb.0:
    ; GCN-LABEL: name: shrink_icmp
    ; GCN: %op0:sgpr_32 = COPY $sgpr0
    ; GCN-NEXT: %cond:sreg_64 = V_CMPX_GE_U32_e64 5, %op0, implicit-def $exec, implicit $exec
    ; GCN-NEXT: S_NOP 0
    %op0:sgpr_32 = COPY $sgpr0
    %cond:sreg_64 = V_CMPX_LE_U32_e64 %op0, 5, implicit-def $exec, implicit $exec
    S_NOP 0
...