llvm/test/CodeGen/SystemZ/nomerge.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s -mtriple=s390x-linux-gnu -o - | FileCheck %s

define void @foo(i32 %i) nounwind {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    stmg %r14, %r15, 112(%r15)
; CHECK-NEXT:    aghi %r15, -160
; CHECK-NEXT:    cije %r2, 7, .LBB0_3
; CHECK-NEXT:  # %bb.1: # %entry
; CHECK-NEXT:    cijlh %r2, 5, .LBB0_4
; CHECK-NEXT:  # %bb.2: # %if.then
; CHECK-NEXT:    brasl %r14, bar@PLT
; CHECK-NEXT:    lmg %r14, %r15, 272(%r15)
; CHECK-NEXT:    jg bar@PLT
; CHECK-NEXT:  .LBB0_3: # %if.then2
; CHECK-NEXT:    brasl %r14, bar@PLT
; CHECK-NEXT:  .LBB0_4: # %if.end3
; CHECK-NEXT:    lmg %r14, %r15, 272(%r15)
; CHECK-NEXT:    jg bar@PLT
entry:
  switch i32 %i, label %if.end3 [
    i32 5, label %if.then
    i32 7, label %if.then2
  ]

if.then:
  tail call void @bar() #0
  br label %if.end3

if.then2:
  tail call void @bar() #0
  br label %if.end3

if.end3:
  tail call void @bar() #0
  ret void
}

define void @foo_tail(i1 %i) nounwind {
; CHECK-LABEL: foo_tail:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    tmll %r2, 1
; CHECK-NEXT:    jge bar@PLT
; CHECK-NEXT:  .LBB1_1: # %if.then
; CHECK-NEXT:    jg bar@PLT
entry:
  br i1 %i, label %if.then, label %if.else

if.then:
  tail call void @bar() #0
  br label %if.end

if.else:
  tail call void @bar() #0
  br label %if.end

if.end:
  ret void
}

declare void @bar()

attributes #0 = { nomerge }