llvm/test/CodeGen/SystemZ/fp-half.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 -verify-machineinstrs \
; RUN:   | FileCheck %s --check-prefix=NOVEC
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z16 -verify-machineinstrs \
; RUN:   | FileCheck %s  --check-prefix=VECTOR
;
; Tests for 16-bit floating point (half).

; Incoming half arguments added together and returned.
define half @fun0(half %Op0, half %Op1) {
; NOVEC-LABEL: fun0:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -176
; NOVEC-NEXT:    .cfi_def_cfa_offset 336
; NOVEC-NEXT:    std %f8, 168(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f9, 160(%r15) # 8-byte Spill
; NOVEC-NEXT:    .cfi_offset %f8, -168
; NOVEC-NEXT:    .cfi_offset %f9, -176
; NOVEC-NEXT:    ler %f8, %f0
; NOVEC-NEXT:    ler %f0, %f2
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    ler %f9, %f0
; NOVEC-NEXT:    ler %f0, %f8
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    aebr %f0, %f9
; NOVEC-NEXT:    brasl %r14, __truncsfhf2@PLT
; NOVEC-NEXT:    ld %f8, 168(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f9, 160(%r15) # 8-byte Reload
; NOVEC-NEXT:    lmg %r14, %r15, 288(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun0:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -176
; VECTOR-NEXT:    .cfi_def_cfa_offset 336
; VECTOR-NEXT:    std %f8, 168(%r15) # 8-byte Spill
; VECTOR-NEXT:    std %f9, 160(%r15) # 8-byte Spill
; VECTOR-NEXT:    .cfi_offset %f8, -168
; VECTOR-NEXT:    .cfi_offset %f9, -176
; VECTOR-NEXT:    ldr %f8, %f0
; VECTOR-NEXT:    ldr %f0, %f2
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    ldr %f9, %f0
; VECTOR-NEXT:    ldr %f0, %f8
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    aebr %f0, %f9
; VECTOR-NEXT:    brasl %r14, __truncsfhf2@PLT
; VECTOR-NEXT:    ld %f8, 168(%r15) # 8-byte Reload
; VECTOR-NEXT:    ld %f9, 160(%r15) # 8-byte Reload
; VECTOR-NEXT:    lmg %r14, %r15, 288(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %Res = fadd half %Op0, %Op1
  ret half %Res
}

define half @fun1(half %Op0, half %Op1) {
; NOVEC-LABEL: fun1:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -176
; NOVEC-NEXT:    .cfi_def_cfa_offset 336
; NOVEC-NEXT:    std %f8, 168(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f9, 160(%r15) # 8-byte Spill
; NOVEC-NEXT:    .cfi_offset %f8, -168
; NOVEC-NEXT:    .cfi_offset %f9, -176
; NOVEC-NEXT:    ler %f8, %f2
; NOVEC-NEXT:    brasl %r14, __extendhfdf2@PLT
; NOVEC-NEXT:    ldr %f9, %f0
; NOVEC-NEXT:    ler %f0, %f8
; NOVEC-NEXT:    brasl %r14, __extendhfdf2@PLT
; NOVEC-NEXT:    adbr %f0, %f9
; NOVEC-NEXT:    brasl %r14, __truncdfhf2@PLT
; NOVEC-NEXT:    ld %f8, 168(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f9, 160(%r15) # 8-byte Reload
; NOVEC-NEXT:    lmg %r14, %r15, 288(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun1:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -176
; VECTOR-NEXT:    .cfi_def_cfa_offset 336
; VECTOR-NEXT:    std %f8, 168(%r15) # 8-byte Spill
; VECTOR-NEXT:    std %f9, 160(%r15) # 8-byte Spill
; VECTOR-NEXT:    .cfi_offset %f8, -168
; VECTOR-NEXT:    .cfi_offset %f9, -176
; VECTOR-NEXT:    ldr %f8, %f2
; VECTOR-NEXT:    brasl %r14, __extendhfdf2@PLT
; VECTOR-NEXT:    ldr %f9, %f0
; VECTOR-NEXT:    ldr %f0, %f8
; VECTOR-NEXT:    brasl %r14, __extendhfdf2@PLT
; VECTOR-NEXT:    wfadb %f0, %f9, %f0
; VECTOR-NEXT:    brasl %r14, __truncdfhf2@PLT
; VECTOR-NEXT:    ld %f8, 168(%r15) # 8-byte Reload
; VECTOR-NEXT:    ld %f9, 160(%r15) # 8-byte Reload
; VECTOR-NEXT:    lmg %r14, %r15, 288(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %E0 = fpext half %Op0 to double
  %E1 = fpext half %Op1 to double
  %Add = fadd double %E0, %E1
  %Res = fptrunc double %Add to half
  ret half %Res
}

define half @fun2(half %Op0, half %Op1) {
; NOVEC-LABEL: fun2:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -232
; NOVEC-NEXT:    .cfi_def_cfa_offset 392
; NOVEC-NEXT:    std %f8, 224(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f9, 216(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f11, 208(%r15) # 8-byte Spill
; NOVEC-NEXT:    .cfi_offset %f8, -168
; NOVEC-NEXT:    .cfi_offset %f9, -176
; NOVEC-NEXT:    .cfi_offset %f11, -184
; NOVEC-NEXT:    la %r2, 160(%r15)
; NOVEC-NEXT:    ler %f8, %f2
; NOVEC-NEXT:    brasl %r14, __extendhftf2@PLT
; NOVEC-NEXT:    ld %f9, 160(%r15)
; NOVEC-NEXT:    ld %f11, 168(%r15)
; NOVEC-NEXT:    la %r2, 176(%r15)
; NOVEC-NEXT:    ler %f0, %f8
; NOVEC-NEXT:    brasl %r14, __extendhftf2@PLT
; NOVEC-NEXT:    ld %f0, 176(%r15)
; NOVEC-NEXT:    ld %f2, 184(%r15)
; NOVEC-NEXT:    la %r2, 192(%r15)
; NOVEC-NEXT:    axbr %f0, %f9
; NOVEC-NEXT:    std %f0, 192(%r15)
; NOVEC-NEXT:    std %f2, 200(%r15)
; NOVEC-NEXT:    brasl %r14, __trunctfhf2@PLT
; NOVEC-NEXT:    ld %f8, 224(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f9, 216(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f11, 208(%r15) # 8-byte Reload
; NOVEC-NEXT:    lmg %r14, %r15, 344(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun2:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -232
; VECTOR-NEXT:    .cfi_def_cfa_offset 392
; VECTOR-NEXT:    std %f8, 224(%r15) # 8-byte Spill
; VECTOR-NEXT:    .cfi_offset %f8, -168
; VECTOR-NEXT:    la %r2, 176(%r15)
; VECTOR-NEXT:    ldr %f8, %f2
; VECTOR-NEXT:    brasl %r14, __extendhftf2@PLT
; VECTOR-NEXT:    mvc 160(16,%r15), 176(%r15)
; VECTOR-NEXT:    la %r2, 192(%r15)
; VECTOR-NEXT:    ldr %f0, %f8
; VECTOR-NEXT:    brasl %r14, __extendhftf2@PLT
; VECTOR-NEXT:    vl %v0, 192(%r15), 3
; VECTOR-NEXT:    vl %v1, 160(%r15), 3 # 16-byte Reload
; VECTOR-NEXT:    wfaxb %v0, %v1, %v0
; VECTOR-NEXT:    la %r2, 208(%r15)
; VECTOR-NEXT:    vst %v0, 208(%r15), 3
; VECTOR-NEXT:    brasl %r14, __trunctfhf2@PLT
; VECTOR-NEXT:    ld %f8, 224(%r15) # 8-byte Reload
; VECTOR-NEXT:    lmg %r14, %r15, 344(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %E0 = fpext half %Op0 to fp128
  %E1 = fpext half %Op1 to fp128
  %Add = fadd fp128 %E0, %E1
  %Res = fptrunc fp128 %Add to half
  ret half %Res
}

; Test loading and storing a half value.
define void @fun3(ptr %Src, ptr %Dst) {
; NOVEC-LABEL: fun3:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    lgh %r0, 0(%r2)
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    ldgr %f0, %r0
; NOVEC-NEXT:    lgdr %r0, %f0
; NOVEC-NEXT:    srlg %r0, %r0, 48
; NOVEC-NEXT:    sth %r0, 0(%r3)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun3:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    vlreph %v0, 0(%r2)
; VECTOR-NEXT:    vsteh %v0, 0(%r3), 0
; VECTOR-NEXT:    br %r14
entry:
  %L = load half, ptr %Src, align 2
  store half %L, ptr %Dst, align 2
  ret void
}

define void @fun4(ptr %Src, ptr %Dst) {
; NOVEC-LABEL: fun4:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r13, %r15, 104(%r15)
; NOVEC-NEXT:    .cfi_offset %r13, -56
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -160
; NOVEC-NEXT:    .cfi_def_cfa_offset 320
; NOVEC-NEXT:    lgh %r0, 0(%r2)
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    lgr %r13, %r3
; NOVEC-NEXT:    ldgr %f0, %r0
; NOVEC-NEXT:    # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT:    brasl %r14, __extendhfdf2@PLT
; NOVEC-NEXT:    adbr %f0, %f0
; NOVEC-NEXT:    brasl %r14, __truncdfhf2@PLT
; NOVEC-NEXT:    # kill: def $f0h killed $f0h def $f0d
; NOVEC-NEXT:    lgdr %r0, %f0
; NOVEC-NEXT:    srlg %r0, %r0, 48
; NOVEC-NEXT:    sth %r0, 0(%r13)
; NOVEC-NEXT:    lmg %r13, %r15, 264(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun4:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r13, %r15, 104(%r15)
; VECTOR-NEXT:    .cfi_offset %r13, -56
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -160
; VECTOR-NEXT:    .cfi_def_cfa_offset 320
; VECTOR-NEXT:    vlreph %v0, 0(%r2)
; VECTOR-NEXT:    lgr %r13, %r3
; VECTOR-NEXT:    brasl %r14, __extendhfdf2@PLT
; VECTOR-NEXT:    adbr %f0, %f0
; VECTOR-NEXT:    brasl %r14, __truncdfhf2@PLT
; VECTOR-NEXT:    vsteh %v0, 0(%r13), 0
; VECTOR-NEXT:    lmg %r13, %r15, 264(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %Op0 = load half, ptr %Src, align 2
  %E0 = fpext half %Op0 to double
  %Add = fadd double %E0, %E0
  %Res = fptrunc double %Add to half
  store half %Res, ptr %Dst, align 2
  ret void
}

define void @fun5(ptr %Src, ptr %Dst) {
; NOVEC-LABEL: fun5:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r13, %r15, 104(%r15)
; NOVEC-NEXT:    .cfi_offset %r13, -56
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -192
; NOVEC-NEXT:    .cfi_def_cfa_offset 352
; NOVEC-NEXT:    lgh %r0, 0(%r2)
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    la %r2, 160(%r15)
; NOVEC-NEXT:    lgr %r13, %r3
; NOVEC-NEXT:    ldgr %f0, %r0
; NOVEC-NEXT:    # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT:    brasl %r14, __extendhftf2@PLT
; NOVEC-NEXT:    ld %f0, 160(%r15)
; NOVEC-NEXT:    ld %f2, 168(%r15)
; NOVEC-NEXT:    la %r2, 176(%r15)
; NOVEC-NEXT:    axbr %f0, %f0
; NOVEC-NEXT:    std %f0, 176(%r15)
; NOVEC-NEXT:    std %f2, 184(%r15)
; NOVEC-NEXT:    brasl %r14, __trunctfhf2@PLT
; NOVEC-NEXT:    # kill: def $f0h killed $f0h def $f0d
; NOVEC-NEXT:    lgdr %r0, %f0
; NOVEC-NEXT:    srlg %r0, %r0, 48
; NOVEC-NEXT:    sth %r0, 0(%r13)
; NOVEC-NEXT:    lmg %r13, %r15, 296(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun5:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r13, %r15, 104(%r15)
; VECTOR-NEXT:    .cfi_offset %r13, -56
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -192
; VECTOR-NEXT:    .cfi_def_cfa_offset 352
; VECTOR-NEXT:    vlreph %v0, 0(%r2)
; VECTOR-NEXT:    la %r2, 160(%r15)
; VECTOR-NEXT:    lgr %r13, %r3
; VECTOR-NEXT:    brasl %r14, __extendhftf2@PLT
; VECTOR-NEXT:    vl %v0, 160(%r15), 3
; VECTOR-NEXT:    wfaxb %v0, %v0, %v0
; VECTOR-NEXT:    la %r2, 176(%r15)
; VECTOR-NEXT:    vst %v0, 176(%r15), 3
; VECTOR-NEXT:    brasl %r14, __trunctfhf2@PLT
; VECTOR-NEXT:    vsteh %v0, 0(%r13), 0
; VECTOR-NEXT:    lmg %r13, %r15, 296(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %Op0 = load half, ptr %Src, align 2
  %E0 = fpext half %Op0 to fp128
  %Add = fadd fp128 %E0, %E0
  %Res = fptrunc fp128 %Add to half
  store half %Res, ptr %Dst, align 2
  ret void
}

; Test a chain of half operations which should have each operation surrounded
; by conversions to/from fp32 for proper emulation.
define half @fun6(half %Op0, half %Op1, half %Op2) {
; NOVEC-LABEL: fun6:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -184
; NOVEC-NEXT:    .cfi_def_cfa_offset 344
; NOVEC-NEXT:    std %f8, 176(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f9, 168(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f10, 160(%r15) # 8-byte Spill
; NOVEC-NEXT:    .cfi_offset %f8, -168
; NOVEC-NEXT:    .cfi_offset %f9, -176
; NOVEC-NEXT:    .cfi_offset %f10, -184
; NOVEC-NEXT:    ler %f9, %f0
; NOVEC-NEXT:    ler %f0, %f2
; NOVEC-NEXT:    ler %f8, %f4
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    ler %f10, %f0
; NOVEC-NEXT:    ler %f0, %f9
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    aebr %f0, %f10
; NOVEC-NEXT:    brasl %r14, __truncsfhf2@PLT
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    ler %f9, %f0
; NOVEC-NEXT:    ler %f0, %f8
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    aebr %f0, %f9
; NOVEC-NEXT:    brasl %r14, __truncsfhf2@PLT
; NOVEC-NEXT:    ld %f8, 176(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f9, 168(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f10, 160(%r15) # 8-byte Reload
; NOVEC-NEXT:    lmg %r14, %r15, 296(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun6:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -184
; VECTOR-NEXT:    .cfi_def_cfa_offset 344
; VECTOR-NEXT:    std %f8, 176(%r15) # 8-byte Spill
; VECTOR-NEXT:    std %f9, 168(%r15) # 8-byte Spill
; VECTOR-NEXT:    std %f10, 160(%r15) # 8-byte Spill
; VECTOR-NEXT:    .cfi_offset %f8, -168
; VECTOR-NEXT:    .cfi_offset %f9, -176
; VECTOR-NEXT:    .cfi_offset %f10, -184
; VECTOR-NEXT:    ldr %f9, %f0
; VECTOR-NEXT:    ldr %f0, %f2
; VECTOR-NEXT:    ldr %f8, %f4
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    ldr %f10, %f0
; VECTOR-NEXT:    ldr %f0, %f9
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    aebr %f0, %f10
; VECTOR-NEXT:    brasl %r14, __truncsfhf2@PLT
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    ldr %f9, %f0
; VECTOR-NEXT:    ldr %f0, %f8
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    wfasb %f0, %f9, %f0
; VECTOR-NEXT:    brasl %r14, __truncsfhf2@PLT
; VECTOR-NEXT:    ld %f8, 176(%r15) # 8-byte Reload
; VECTOR-NEXT:    ld %f9, 168(%r15) # 8-byte Reload
; VECTOR-NEXT:    ld %f10, 160(%r15) # 8-byte Reload
; VECTOR-NEXT:    lmg %r14, %r15, 296(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %A0 = fadd half %Op0, %Op1
  %Res = fadd half %A0, %Op2
  ret half %Res
}

; Store an incoming half argument and return a loaded one.
define half @fun7(half %Op0, ptr %Dst, ptr %Src) {
; NOVEC-LABEL: fun7:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    # kill: def $f0h killed $f0h def $f0d
; NOVEC-NEXT:    lgdr %r0, %f0
; NOVEC-NEXT:    srlg %r0, %r0, 48
; NOVEC-NEXT:    sth %r0, 0(%r2)
; NOVEC-NEXT:    lgh %r0, 0(%r3)
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    ldgr %f0, %r0
; NOVEC-NEXT:    # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun7:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    vsteh %v0, 0(%r2), 0
; VECTOR-NEXT:    vlreph %v0, 0(%r3)
; VECTOR-NEXT:    br %r14
entry:
  store half %Op0, ptr %Dst
  %Res = load half, ptr %Src
  ret half %Res
}

; Call a function with half argument and return values.
declare half @foo(half)
define void @fun8(ptr %Src, ptr %Dst) {
; NOVEC-LABEL: fun8:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r13, %r15, 104(%r15)
; NOVEC-NEXT:    .cfi_offset %r13, -56
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -160
; NOVEC-NEXT:    .cfi_def_cfa_offset 320
; NOVEC-NEXT:    lgh %r0, 0(%r2)
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    lgr %r13, %r3
; NOVEC-NEXT:    ldgr %f0, %r0
; NOVEC-NEXT:    # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT:    brasl %r14, foo@PLT
; NOVEC-NEXT:    # kill: def $f0h killed $f0h def $f0d
; NOVEC-NEXT:    lgdr %r0, %f0
; NOVEC-NEXT:    srlg %r0, %r0, 48
; NOVEC-NEXT:    sth %r0, 0(%r13)
; NOVEC-NEXT:    lmg %r13, %r15, 264(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun8:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r13, %r15, 104(%r15)
; VECTOR-NEXT:    .cfi_offset %r13, -56
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -160
; VECTOR-NEXT:    .cfi_def_cfa_offset 320
; VECTOR-NEXT:    vlreph %v0, 0(%r2)
; VECTOR-NEXT:    lgr %r13, %r3
; VECTOR-NEXT:    brasl %r14, foo@PLT
; VECTOR-NEXT:    vsteh %v0, 0(%r13), 0
; VECTOR-NEXT:    lmg %r13, %r15, 264(%r15)
; VECTOR-NEXT:    br %r14
entry:
  %arg = load half, ptr %Src
  %Res = call half @foo(half %arg)
  store half %Res, ptr %Dst
  ret void
}

; Receive stack argument.
define half @fun9(half %Arg0, half %Arg1, half %Arg2, half %Arg3, half %Arg4) {
; NOVEC-LABEL: fun9:
; NOVEC:       # %bb.0:
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -176
; NOVEC-NEXT:    .cfi_def_cfa_offset 336
; NOVEC-NEXT:    std %f8, 168(%r15) # 8-byte Spill
; NOVEC-NEXT:    std %f9, 160(%r15) # 8-byte Spill
; NOVEC-NEXT:    .cfi_offset %f8, -168
; NOVEC-NEXT:    .cfi_offset %f9, -176
; NOVEC-NEXT:    lgh %r0, 342(%r15)
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    ler %f8, %f6
; NOVEC-NEXT:    ldgr %f0, %r0
; NOVEC-NEXT:    # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    ler %f9, %f0
; NOVEC-NEXT:    ler %f0, %f8
; NOVEC-NEXT:    brasl %r14, __extendhfsf2@PLT
; NOVEC-NEXT:    aebr %f0, %f9
; NOVEC-NEXT:    brasl %r14, __truncsfhf2@PLT
; NOVEC-NEXT:    ld %f8, 168(%r15) # 8-byte Reload
; NOVEC-NEXT:    ld %f9, 160(%r15) # 8-byte Reload
; NOVEC-NEXT:    lmg %r14, %r15, 288(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun9:
; VECTOR:       # %bb.0:
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -176
; VECTOR-NEXT:    .cfi_def_cfa_offset 336
; VECTOR-NEXT:    std %f8, 168(%r15) # 8-byte Spill
; VECTOR-NEXT:    std %f9, 160(%r15) # 8-byte Spill
; VECTOR-NEXT:    .cfi_offset %f8, -168
; VECTOR-NEXT:    .cfi_offset %f9, -176
; VECTOR-NEXT:    vlreph %v0, 342(%r15)
; VECTOR-NEXT:    ldr %f8, %f6
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    ldr %f9, %f0
; VECTOR-NEXT:    ldr %f0, %f8
; VECTOR-NEXT:    brasl %r14, __extendhfsf2@PLT
; VECTOR-NEXT:    aebr %f0, %f9
; VECTOR-NEXT:    brasl %r14, __truncsfhf2@PLT
; VECTOR-NEXT:    ld %f8, 168(%r15) # 8-byte Reload
; VECTOR-NEXT:    ld %f9, 160(%r15) # 8-byte Reload
; VECTOR-NEXT:    lmg %r14, %r15, 288(%r15)
; VECTOR-NEXT:    br %r14
  %A0 = fadd half %Arg3, %Arg4
  ret half %A0
}

; Pass stack argument.
define void @fun10(half %Arg0) {
; NOVEC-LABEL: fun10:
; NOVEC:       # %bb.0:
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -168
; NOVEC-NEXT:    .cfi_def_cfa_offset 328
; NOVEC-NEXT:    # kill: def $f0h killed $f0h def $f0d
; NOVEC-NEXT:    lgdr %r0, %f0
; NOVEC-NEXT:    srlg %r0, %r0, 48
; NOVEC-NEXT:    ler %f2, %f0
; NOVEC-NEXT:    ler %f4, %f0
; NOVEC-NEXT:    ler %f6, %f0
; NOVEC-NEXT:    sth %r0, 166(%r15)
; NOVEC-NEXT:    brasl %r14, fun9@PLT
; NOVEC-NEXT:    lmg %r14, %r15, 280(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun10:
; VECTOR:       # %bb.0:
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -168
; VECTOR-NEXT:    .cfi_def_cfa_offset 328
; VECTOR-NEXT:    ldr %f2, %f0
; VECTOR-NEXT:    ldr %f4, %f0
; VECTOR-NEXT:    ldr %f6, %f0
; VECTOR-NEXT:    vsteh %v0, 166(%r15), 0
; VECTOR-NEXT:    brasl %r14, fun9@PLT
; VECTOR-NEXT:    lmg %r14, %r15, 280(%r15)
; VECTOR-NEXT:    br %r14
  call void @fun9(half %Arg0, half %Arg0, half %Arg0, half %Arg0, half %Arg0)
  ret void
}

; Test loading some immediates from the Constant Pool.
declare void @foo2(half, half, half, half)
define void @fun11() {
; NOVEC-LABEL: fun11:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT:    .cfi_offset %r14, -48
; NOVEC-NEXT:    .cfi_offset %r15, -40
; NOVEC-NEXT:    aghi %r15, -160
; NOVEC-NEXT:    .cfi_def_cfa_offset 320
; NOVEC-NEXT:    lghrl %r0, .LCPI11_0
; NOVEC-NEXT:    lghrl %r1, .LCPI11_1
; NOVEC-NEXT:    lzer %f2
; NOVEC-NEXT:    sllg %r0, %r0, 48
; NOVEC-NEXT:    lcdfr %f0, %f2
; NOVEC-NEXT:    ldgr %f4, %r0
; NOVEC-NEXT:    # kill: def $f4h killed $f4h killed $f4d
; NOVEC-NEXT:    sllg %r0, %r1, 48
; NOVEC-NEXT:    ldgr %f6, %r0
; NOVEC-NEXT:    # kill: def $f6h killed $f6h killed $f6d
; NOVEC-NEXT:    brasl %r14, foo2@PLT
; NOVEC-NEXT:    lmg %r14, %r15, 272(%r15)
; NOVEC-NEXT:    br %r14
;
; VECTOR-LABEL: fun11:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT:    .cfi_offset %r14, -48
; VECTOR-NEXT:    .cfi_offset %r15, -40
; VECTOR-NEXT:    aghi %r15, -160
; VECTOR-NEXT:    .cfi_def_cfa_offset 320
; VECTOR-NEXT:    lzer %f2
; VECTOR-NEXT:    vrepih %v4, 13824
; VECTOR-NEXT:    vrepih %v6, 15360
; VECTOR-NEXT:    lcdfr %f0, %f2
; VECTOR-NEXT:    brasl %r14, foo2@PLT
; VECTOR-NEXT:    lmg %r14, %r15, 272(%r15)
; VECTOR-NEXT:    br %r14
entry:
  call void @foo2(half -0.0, half 0.0, half 0.375, half 1.0)
  ret void
}

; Test a tail call.
declare void @foo3(half)
define void @fun12(half %Arg0) {
; NOVEC-LABEL: fun12:
; NOVEC:       # %bb.0: # %entry
; NOVEC-NEXT:    jg foo3@PLT
;
; VECTOR-LABEL: fun12:
; VECTOR:       # %bb.0: # %entry
; VECTOR-NEXT:    jg foo3@PLT
entry:
  tail call void @foo3(half %Arg0)
  ret void
}