llvm/test/CodeGen/PowerPC/pr55463.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpcspe -verify-machineinstrs < %s | FileCheck %s

define void @baz() #0 {
; CHECK-LABEL: baz:
; CHECK:       # %bb.0: # %bb
; CHECK-NEXT:    mflr 0
; CHECK-NEXT:    stwu 1, -16(1)
; CHECK-NEXT:    stw 0, 20(1)
; CHECK-NEXT:    mtctr 3
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB0_1: # %bb1
; CHECK-NEXT:    #
; CHECK-NEXT:    bdnz .LBB0_1
; CHECK-NEXT:  # %bb.2: # %bb8
; CHECK-NEXT:    bl wibble
; CHECK-NEXT:    lwz 0, 20(1)
; CHECK-NEXT:    addi 1, 1, 16
; CHECK-NEXT:    mtlr 0
; CHECK-NEXT:    blr
bb:
  br label %bb1

bb1:
  %tmp = phi i32 [ %tmp6, %bb1 ], [ undef, %bb ]
  %tmp2 = phi i32 [ %tmp3, %bb1 ], [ undef, %bb ]
  %tmp3 = add nsw i32 %tmp2, 1
  %tmp4 = sitofp i32 %tmp to double
  %tmp5 = tail call double @llvm.fmuladd.f64(double 0.000000e+00, double -0.000000e+00, double %tmp4)
  %tmp6 = fptosi double %tmp5 to i32
  %tmp7 = icmp eq i32 %tmp2, 0
  br i1 %tmp7, label %bb8, label %bb1

bb8:
  call void @wibble(i32 %tmp6)
  ret void
}

define void @wombat() #0 {
; CHECK-LABEL: wombat:
; CHECK:       # %bb.0: # %bb
; CHECK-NEXT:    mflr 0
; CHECK-NEXT:    stwu 1, -48(1)
; CHECK-NEXT:    li 3, .LCPI1_0@l
; CHECK-NEXT:    li 5, .LCPI1_1@l
; CHECK-NEXT:    lis 4, .LCPI1_0@ha
; CHECK-NEXT:    lis 6, .LCPI1_1@ha
; CHECK-NEXT:    stw 0, 52(1)
; CHECK-NEXT:    evstdd 29, 8(1) # 8-byte Folded Spill
; CHECK-NEXT:    evstdd 30, 16(1) # 8-byte Folded Spill
; CHECK-NEXT:    evlddx 30, 4, 3
; CHECK-NEXT:    # implicit-def: $r3
; CHECK-NEXT:    evlddx 29, 6, 5
; CHECK-NEXT:    stw 28, 32(1) # 4-byte Folded Spill
; CHECK-NEXT:    # implicit-def: $r28
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB1_1: # %bb1
; CHECK-NEXT:    #
; CHECK-NEXT:    efdcfsi 8, 3
; CHECK-NEXT:    evmergehi 3, 30, 30
; CHECK-NEXT:    evmergehi 5, 29, 29
; CHECK-NEXT:    mr 4, 30
; CHECK-NEXT:    mr 6, 29
; CHECK-NEXT:    evmergehi 7, 8, 8
; CHECK-NEXT:    bl fma
; CHECK-NEXT:    evmergelo 3, 3, 4
; CHECK-NEXT:    addi 28, 28, -1
; CHECK-NEXT:    cmplwi 28, 0
; CHECK-NEXT:    efdctsiz 3, 3
; CHECK-NEXT:    bc 12, 1, .LBB1_1
; CHECK-NEXT:  # %bb.2: # %bb8
; CHECK-NEXT:    bl wibble
; CHECK-NEXT:    evldd 30, 16(1) # 8-byte Folded Reload
; CHECK-NEXT:    evldd 29, 8(1) # 8-byte Folded Reload
; CHECK-NEXT:    lwz 28, 32(1) # 4-byte Folded Reload
; CHECK-NEXT:    lwz 0, 52(1)
; CHECK-NEXT:    addi 1, 1, 48
; CHECK-NEXT:    mtlr 0
; CHECK-NEXT:    blr
bb:
  br label %bb1

bb1:
  %tmp = phi i32 [ %tmp6, %bb1 ], [ undef, %bb ]
  %tmp2 = phi i32 [ %tmp3, %bb1 ], [ undef, %bb ]
  %tmp3 = add nsw i32 %tmp2, 1
  %tmp4 = sitofp i32 %tmp to double
  %tmp5 = tail call double @llvm.fma.f64(double 0.000000e+00, double -0.000000e+00, double %tmp4)
  %tmp6 = fptosi double %tmp5 to i32
  %tmp7 = icmp eq i32 %tmp2, 0
  br i1 %tmp7, label %bb8, label %bb1

bb8:
  call void @wibble(i32 %tmp6)
  ret void
}

declare void @wibble(i32)
declare double @llvm.fmuladd.f64(double, double, double)
declare double @llvm.fma.f64(double, double, double)

attributes #0 = { nounwind }