[NFC][X86] Remove cfi instructions and unused attributes from half.ll test

[RKSimon]

LGTM - cheers

llvm/test/CodeGen/X86/half.ll

 ; CHECK-I686-NEXT:    pinsrw $0, %eax, %xmm0
 ; CHECK-I686-NEXT:    addl $12, %esp
 ; CHECK-I686-NEXT:    retl
   %2 = fcmp une half %0, 0xH0000
   %3 = uitofp i1 %2 to half
   ret half %3
 }
 
-define dso_local void @brcond(half %0) {
+define void @brcond(half %0) #0 {
 ; CHECK-LIBCALL-LABEL: brcond:
 ; CHECK-LIBCALL:       # %bb.0: # %entry
 ; CHECK-LIBCALL-NEXT:    pushq %rax
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-LIBCALL-NEXT:    callq __extendhfsf2@PLT
 ; CHECK-LIBCALL-NEXT:    xorps %xmm1, %xmm1
 ; CHECK-LIBCALL-NEXT:    ucomiss %xmm1, %xmm0
 ; CHECK-LIBCALL-NEXT:    setp %al
 ; CHECK-LIBCALL-NEXT:    setne %cl
 ; CHECK-LIBCALL-NEXT:    orb %al, %cl
 ; CHECK-LIBCALL-NEXT:    jne .LBB18_2
 ; CHECK-LIBCALL-NEXT:  # %bb.1: # %if.then
 ; CHECK-LIBCALL-NEXT:    popq %rax
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 8
 ; CHECK-LIBCALL-NEXT:    retq
 ; CHECK-LIBCALL-NEXT:  .LBB18_2: # %if.end
 ;
 ; BWON-F16C-LABEL: brcond:
 ; BWON-F16C:       # %bb.0: # %entry
 ; BWON-F16C-NEXT:    vpextrw $0, %xmm0, %eax
 ; BWON-F16C-NEXT:    movzwl %ax, %eax
 ; BWON-F16C-NEXT:    vmovd %eax, %xmm0
 ; BWON-F16C-NEXT:    vcvtph2ps %xmm0, %xmm0
 ; BWON-F16C-NEXT:    vxorps %xmm1, %xmm1, %xmm1
 ; BWON-F16C-NEXT:    vucomiss %xmm1, %xmm0
 ; BWON-F16C-NEXT:    setp %al
 ; BWON-F16C-NEXT:    setne %cl
 ; BWON-F16C-NEXT:    orb %al, %cl
 ; BWON-F16C-NEXT:    jne .LBB18_2
 ; BWON-F16C-NEXT:  # %bb.1: # %if.then
 ; BWON-F16C-NEXT:    retq
 ; BWON-F16C-NEXT:  .LBB18_2: # %if.end
 ;
 ; CHECK-I686-LABEL: brcond:
 ; CHECK-I686:       # %bb.0: # %entry
 ; CHECK-I686-NEXT:    subl $12, %esp
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-I686-NEXT:    pinsrw $0, {{[0-9]+}}(%esp), %xmm0
 ; CHECK-I686-NEXT:    pextrw $0, %xmm0, %eax
 ; CHECK-I686-NEXT:    movw %ax, (%esp)
 ; CHECK-I686-NEXT:    calll __extendhfsf2
 ; CHECK-I686-NEXT:    fstps {{[0-9]+}}(%esp)
 ; CHECK-I686-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; CHECK-I686-NEXT:    xorps %xmm1, %xmm1
 ; CHECK-I686-NEXT:    ucomiss %xmm1, %xmm0
 ; CHECK-I686-NEXT:    setp %al
 ; CHECK-I686-NEXT:    setne %cl
 ; CHECK-I686-NEXT:    orb %al, %cl
 ; CHECK-I686-NEXT:    jne .LBB18_2
 ; CHECK-I686-NEXT:  # %bb.1: # %if.then
 ; CHECK-I686-NEXT:    addl $12, %esp
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 4
 ; CHECK-I686-NEXT:    retl
 ; CHECK-I686-NEXT:  .LBB18_2: # %if.end
 entry:
   %cmp = fcmp oeq half 0xH0000, %0
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry
   ret void
 
 if.end:                                           ; preds = %entry
   unreachable
 }
 
-define half @test_sqrt(half %0) {
+define half @test_sqrt(half %0) #0 {
 ; CHECK-LIBCALL-LABEL: test_sqrt:
 ; CHECK-LIBCALL:       # %bb.0: # %entry
 ; CHECK-LIBCALL-NEXT:    pushq %rax
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-LIBCALL-NEXT:    callq __extendhfsf2@PLT
 ; CHECK-LIBCALL-NEXT:    sqrtss %xmm0, %xmm0
 ; CHECK-LIBCALL-NEXT:    callq __truncsfhf2@PLT
 ; CHECK-LIBCALL-NEXT:    popq %rax
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 8
 ; CHECK-LIBCALL-NEXT:    retq
 ;
 ; BWON-F16C-LABEL: test_sqrt:
 ; BWON-F16C:       # %bb.0: # %entry
 ; BWON-F16C-NEXT:    vpextrw $0, %xmm0, %eax
 ; BWON-F16C-NEXT:    movzwl %ax, %eax
 ; BWON-F16C-NEXT:    vmovd %eax, %xmm0
 ; BWON-F16C-NEXT:    vcvtph2ps %xmm0, %xmm0
 ; BWON-F16C-NEXT:    vsqrtss %xmm0, %xmm0, %xmm0
 ; BWON-F16C-NEXT:    vcvtps2ph $4, %xmm0, %xmm0
 ; BWON-F16C-NEXT:    vmovd %xmm0, %eax
 ; BWON-F16C-NEXT:    vpinsrw $0, %eax, %xmm0, %xmm0
 ; BWON-F16C-NEXT:    retq
 ;
 ; CHECK-I686-LABEL: test_sqrt:
 ; CHECK-I686:       # %bb.0: # %entry
 ; CHECK-I686-NEXT:    subl $12, %esp
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-I686-NEXT:    pinsrw $0, {{[0-9]+}}(%esp), %xmm0
 ; CHECK-I686-NEXT:    pextrw $0, %xmm0, %eax
 ; CHECK-I686-NEXT:    movw %ax, (%esp)
 ; CHECK-I686-NEXT:    calll __extendhfsf2
 ; CHECK-I686-NEXT:    fstps {{[0-9]+}}(%esp)
 ; CHECK-I686-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; CHECK-I686-NEXT:    sqrtss %xmm0, %xmm0
 ; CHECK-I686-NEXT:    movss %xmm0, (%esp)
 ; CHECK-I686-NEXT:    calll __truncsfhf2
 ; CHECK-I686-NEXT:    addl $12, %esp
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 4
 ; CHECK-I686-NEXT:    retl
 entry:
   %1 = call half @llvm.sqrt.f16(half %0)
   ret half %1
 }
 
 declare half @llvm.sqrt.f16(half)
 
-define void @main.158() local_unnamed_addr #0 {
+define void @main.158() #0 {
 ; CHECK-LIBCALL-LABEL: main.158:
 ; CHECK-LIBCALL:       # %bb.0: # %entry
 ; CHECK-LIBCALL-NEXT:    pushq %rax
 ; CHECK-LIBCALL-NEXT:    xorps %xmm0, %xmm0
 ; CHECK-LIBCALL-NEXT:    callq __truncsfhf2@PLT
 ; CHECK-LIBCALL-NEXT:    callq __extendhfsf2@PLT
 ; CHECK-LIBCALL-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
 ; CHECK-LIBCALL-NEXT:    ucomiss %xmm0, %xmm1
entry:
   %subtract.65 = fsub float %multiply.68, 0.000000e+00
   %multiply.57 = fmul float undef, 0.000000e+00
   %2 = select i1 %compare.2, float 0.000000e+00, float %multiply.57
   %3 = fptrunc float %2 to half
   store half %3, ptr undef, align 2
   ret void
 }
 
-define void @main.45() local_unnamed_addr {
+define void @main.45() #0 {
 ; CHECK-LIBCALL-LABEL: main.45:
 ; CHECK-LIBCALL:       # %bb.0: # %entry
 ; CHECK-LIBCALL-NEXT:    pushq %rbp
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-LIBCALL-NEXT:    pushq %r15
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 24
 ; CHECK-LIBCALL-NEXT:    pushq %r14
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 32
 ; CHECK-LIBCALL-NEXT:    pushq %rbx
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 40
 ; CHECK-LIBCALL-NEXT:    pushq %rax
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 48
-; CHECK-LIBCALL-NEXT:    .cfi_offset %rbx, -40
-; CHECK-LIBCALL-NEXT:    .cfi_offset %r14, -32
-; CHECK-LIBCALL-NEXT:    .cfi_offset %r15, -24
-; CHECK-LIBCALL-NEXT:    .cfi_offset %rbp, -16
 ; CHECK-LIBCALL-NEXT:    pinsrw $0, (%rax), %xmm0
 ; CHECK-LIBCALL-NEXT:    pextrw $0, %xmm0, %eax
 ; CHECK-LIBCALL-NEXT:    movd %eax, %xmm1
 ; CHECK-LIBCALL-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
 ; CHECK-LIBCALL-NEXT:    movq %xmm1, %rbx
 ; CHECK-LIBCALL-NEXT:    movq %rbx, %r14
 ; CHECK-LIBCALL-NEXT:    shrq $48, %r14
 ; CHECK-LIBCALL-NEXT:    movq %rbx, %r15
 ; CHECK-LIBCALL-NEXT:    shrq $32, %r15
 ; CHECK-LIBCALL-NEXT:    movl %ebx, %ebp
 ; CHECK-LIBCALL-NEXT:    shrl $16, %ebp
 ; CHECK-LIBCALL-NEXT:    callq __extendhfsf2@PLT
 ; CHECK-LIBCALL-NEXT:    ucomiss %xmm0, %xmm0
 ; CHECK-LIBCALL-NEXT:    movl $32256, %eax # imm = 0x7E00
 ; CHECK-LIBCALL-NEXT:    cmovpl %eax, %ebp
 ; CHECK-LIBCALL-NEXT:    cmovpl %eax, %r15d
 ; CHECK-LIBCALL-NEXT:    cmovpl %eax, %r14d
 ; CHECK-LIBCALL-NEXT:    cmovpl %eax, %ebx
 ; CHECK-LIBCALL-NEXT:    movw %bx, (%rax)
 ; CHECK-LIBCALL-NEXT:    movw %r14w, (%rax)
 ; CHECK-LIBCALL-NEXT:    movw %r15w, (%rax)
 ; CHECK-LIBCALL-NEXT:    movw %bp, (%rax)
 ; CHECK-LIBCALL-NEXT:    addq $8, %rsp
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 40
 ; CHECK-LIBCALL-NEXT:    popq %rbx
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 32
 ; CHECK-LIBCALL-NEXT:    popq %r14
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 24
 ; CHECK-LIBCALL-NEXT:    popq %r15
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-LIBCALL-NEXT:    popq %rbp
-; CHECK-LIBCALL-NEXT:    .cfi_def_cfa_offset 8
 ; CHECK-LIBCALL-NEXT:    retq
 ;
 ; BWON-F16C-LABEL: main.45:
 ; BWON-F16C:       # %bb.0: # %entry
 ; BWON-F16C-NEXT:    movzwl (%rax), %eax
 ; BWON-F16C-NEXT:    vmovd %eax, %xmm0
 ; BWON-F16C-NEXT:    vpshuflw {{.*#+}} xmm1 = xmm0[0,0,0,0,4,5,6,7]
 ; BWON-F16C-NEXT:    vcvtph2ps %xmm0, %xmm0
 ; BWON-F16C-NEXT:    xorl %eax, %eax
 ; BWON-F16C-NEXT:    vucomiss %xmm0, %xmm0
 ; BWON-F16C-NEXT:    movl $65535, %ecx # imm = 0xFFFF
 ; BWON-F16C-NEXT:    cmovnpl %eax, %ecx
 ; BWON-F16C-NEXT:    vmovd %ecx, %xmm0
 ; BWON-F16C-NEXT:    vpshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
 ; BWON-F16C-NEXT:    vpblendvb %xmm0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0
 ; BWON-F16C-NEXT:    vmovq %xmm0, (%rax)
 ; BWON-F16C-NEXT:    retq
 ;
 ; CHECK-I686-LABEL: main.45:
 ; CHECK-I686:       # %bb.0: # %entry
 ; CHECK-I686-NEXT:    pushl %edi
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 8
 ; CHECK-I686-NEXT:    pushl %esi
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 12
 ; CHECK-I686-NEXT:    subl $20, %esp
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 32
-; CHECK-I686-NEXT:    .cfi_offset %esi, -12
-; CHECK-I686-NEXT:    .cfi_offset %edi, -8
 ; CHECK-I686-NEXT:    pinsrw $0, (%eax), %xmm0
 ; CHECK-I686-NEXT:    pextrw $0, %xmm0, %eax
 ; CHECK-I686-NEXT:    movd %eax, %xmm0
 ; CHECK-I686-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
 ; CHECK-I686-NEXT:    movd %xmm0, %esi
 ; CHECK-I686-NEXT:    movl %esi, %edi
 ; CHECK-I686-NEXT:    shrl $16, %edi
 ; CHECK-I686-NEXT:    movw %ax, (%esp)
 ; CHECK-I686-NEXT:    calll __extendhfsf2
 ; CHECK-I686-NEXT:    fstps {{[0-9]+}}(%esp)
 ; CHECK-I686-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; CHECK-I686-NEXT:    ucomiss %xmm0, %xmm0
 ; CHECK-I686-NEXT:    movl $32256, %eax # imm = 0x7E00
 ; CHECK-I686-NEXT:    cmovpl %eax, %esi
 ; CHECK-I686-NEXT:    cmovpl %eax, %edi
 ; CHECK-I686-NEXT:    movw %di, (%eax)
 ; CHECK-I686-NEXT:    movw %si, (%eax)
 ; CHECK-I686-NEXT:    addl $20, %esp
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 12
 ; CHECK-I686-NEXT:    popl %esi
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 8
 ; CHECK-I686-NEXT:    popl %edi
-; CHECK-I686-NEXT:    .cfi_def_cfa_offset 4
 ; CHECK-I686-NEXT:    retl
 entry:
   %0 = load half, ptr undef, align 8
   %1 = bitcast half %0 to i16
   %broadcast.splatinsert = insertelement <4 x half> poison, half %0, i64 0
   %broadcast.splat = shufflevector <4 x half> %broadcast.splatinsert, <4 x half> poison, <4 x i32> zeroinitializer
   %broadcast.splatinsert13 = insertelement <4 x i16> poison, i16 %1, i64 0
   %broadcast.splat14 = shufflevector <4 x i16> %broadcast.splatinsert13, <4 x i16> poison, <4 x i32> zeroinitializer