llvm/test/CodeGen/SystemZ/pr122315.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; Verify that MachineLICM recognizes that EH landing pad entry clobbers %r6/%r7
;
; RUN: llc < %s -verify-machineinstrs -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s

declare i64 @personality(i64, i64, i64, ptr, ptr)
declare void @callee(i64, i64, i64, i64, i64)
declare void @panic()

define void @test() uwtable personality ptr @personality {
; CHECK-LABEL: test:
; CHECK:       .Lfunc_begin0:
; CHECK-NEXT:    .cfi_startproc
; CHECK-NEXT:    .cfi_personality 0, personality
; CHECK-NEXT:    .cfi_lsda 0, .Lexception0
; CHECK-NEXT:  # %bb.0: # %start
; CHECK-NEXT:    stmg %r6, %r15, 48(%r15)
; CHECK-NEXT:    .cfi_offset %r6, -112
; CHECK-NEXT:    .cfi_offset %r7, -104
; CHECK-NEXT:    .cfi_offset %r14, -48
; CHECK-NEXT:    .cfi_offset %r15, -40
; CHECK-NEXT:    aghi %r15, -160
; CHECK-NEXT:    .cfi_def_cfa_offset 320
; CHECK-NEXT:  .LBB0_1: # %bb1
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    lghi %r2, 0
; CHECK-NEXT:    lghi %r3, 0
; CHECK-NEXT:    lghi %r4, 0
; CHECK-NEXT:    lghi %r5, 0
; CHECK-NEXT:    lghi %r6, 0
; CHECK-NEXT:    brasl %r14, callee@PLT
; CHECK-NEXT:  .Ltmp0:
; CHECK-NEXT:    brasl %r14, panic@PLT
; CHECK-NEXT:  .Ltmp1:
; CHECK-NEXT:    j .LBB0_3
; CHECK-NEXT:  .LBB0_2: # %bb3
; CHECK-NEXT:    # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT:  .Ltmp2:
; CHECK-NEXT:    j .LBB0_1
; CHECK-NEXT:  .LBB0_3: # %bb2
; CHECK-NEXT:    lmg %r6, %r15, 208(%r15)
; CHECK-NEXT:    br %r14
start:
  br label %bb1

bb1:
  call void @callee(i64 0, i64 0, i64 0, i64 0, i64 0)
  invoke void @panic()
          to label %bb2 unwind label %bb3

bb2:
  ret void

bb3:
  %lp = landingpad { ptr, i32 }
          catch ptr null
  br label %bb1
}