reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106

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

; Function Attrs: nounwind readnone
define i32 @f0(i32 %a0, i32 %a1) #0 {
; CHECK-LABEL: f0:
; CHECK:       // %bb.0: // %b0
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = tstbit(r0,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,#1,#0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
b0:
  %v0 = shl i32 1, %a1
  %v1 = and i32 %v0, %a0
  %v2 = icmp ne i32 %v1, 0
  %v3 = zext i1 %v2 to i32
  ret i32 %v3
}

define i64 @is_upper_bit_clear_i64(i64 %x) #0 {
; CHECK-LABEL: is_upper_bit_clear_i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = !tstbit(r1,#5)
; CHECK-NEXT:     r1 = #0
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,#1,#0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %sh = lshr i64 %x, 37
  %m = and i64 %sh, 1
  %r = xor i64 %m, 1
  ret i64 %r
}

define i64 @is_lower_bit_clear_i64(i64 %x) #0 {
; CHECK-LABEL: is_lower_bit_clear_i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = !tstbit(r0,#27)
; CHECK-NEXT:     r1 = #0
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,#1,#0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %sh = lshr i64 %x, 27
  %m = and i64 %sh, 1
  %r = xor i64 %m, 1
  ret i64 %r
}

define i32 @is_bit_clear_i32(i32 %x) #0 {
; CHECK-LABEL: is_bit_clear_i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = !tstbit(r0,#27)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,#1,#0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %sh = lshr i32 %x, 27
  %n = xor i32 %sh, -1
  %r = and i32 %n, 1
  ret i32 %r
}

define i16 @is_bit_clear_i16(i16 %x) #0 {
; CHECK-LABEL: is_bit_clear_i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = !tstbit(r0,#7)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,#1,#0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %sh = lshr i16 %x, 7
  %m = and i16 %sh, 1
  %r = xor i16 %m, 1
  ret i16 %r
}

define i8 @is_bit_clear_i8(i8 %x) #0 {
; CHECK-LABEL: is_bit_clear_i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = !tstbit(r0,#3)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,#1,#0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %sh = lshr i8 %x, 3
  %m = and i8 %sh, 1
  %r = xor i8 %m, 1
  ret i8 %r
}


attributes #0 = { nounwind readnone }