llvm/llvm/test/tools/llvm-reduce/mir/preserve-max-call-frame-size.mir

# REQUIRES: amdgpu-registered-target
# RUN: llvm-reduce -abort-on-invalid-reduction -simplify-mir -mtriple=amdgcn-amd-amdhsa --delta-passes=instructions --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2> %t.log
# RUN: FileCheck --match-full-lines --check-prefix=RESULT %s < %t

# CHECK-INTERESTINGNESS: S_ENDPGM

# Make sure we preserve the default value of unset maxCallFrameSize,
# and don't treat it as computed to 0.

# RESULT: frameInfo:
# RESULT-NOT: maxCallFrameSize
---
name: func
tracksRegLiveness: true
frameInfo:
  maxCallFrameSize: 4294967295
body:             |
  bb.0:
    S_NOP 0
    S_ENDPGM 0
...