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

; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
;
; FIXME: two consecutive immediate adds not fused in i16/i8 functions.

declare i64 @llvm.ctlz.i64(i64, i1)
declare i32 @llvm.ctlz.i32(i32, i1)
declare i16 @llvm.ctlz.i16(i16, i1)
declare i8 @llvm.ctlz.i8(i8, i1)

define i64 @f0(i64 %arg) {
; CHECK-LABEL: f0:
; CHECK-LABEL: %bb.0:
; CHECK-NOT:   %bb.1:
; CHECK: flogr
  %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 false)
  ret i64 %1
}

define i64 @f1(i64 %arg) {
; CHECK-LABEL: f1:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: flogr
; CHECK-NEXT: # kill
; CHECK-NEXT: br %r14
  %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true)
  ret i64 %1
}

define i32 @f2(i32 %arg) {
; CHECK-LABEL: f2:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: llgfr %r0, %r2
; CHECK-NEXT: flogr %r2, %r0
; CHECK-NEXT: aghi  %r2, -32
; CHECK-NEXT: # kill
; CHECK-NEXT: br %r14
  %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 false)
  ret i32 %1
}

define i32 @f3(i32 %arg) {
; CHECK-LABEL: f3:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: llgfr %r0, %r2
; CHECK-NEXT: flogr %r2, %r0
; CHECK-NEXT: aghi  %r2, -32
; CHECK-NEXT: # kill
; CHECK-NEXT: br %r14
  %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 true)
  ret i32 %1
}

define i16 @f4(i16 %arg) {
; CHECK-LABEL: f4:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: # kill
; CHECK-NEXT: llghr %r0, %r2
; CHECK-NEXT: flogr %r0, %r0
; CHECK-NEXT: aghi  %r0, -32
; CHECK-NEXT: ahik  %r2, %r0, -16
; CHECK-NEXT: br %r14
  %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 false)
  ret i16 %1
}

define i16 @f5(i16 %arg) {
; CHECK-LABEL: f5:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: # kill
; CHECK-NEXT: llghr %r0, %r2
; CHECK-NEXT: flogr %r0, %r0
; CHECK-NEXT: aghi  %r0, -32
; CHECK-NEXT: ahik  %r2, %r0, -16
; CHECK-NEXT: br %r14
  %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 true)
  ret i16 %1
}

define i8 @f6(i8 %arg) {
; CHECK-LABEL: f6:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: # kill
; CHECK-NEXT: llgcr %r0, %r2
; CHECK-NEXT: flogr %r0, %r0
; CHECK-NEXT: aghi  %r0, -32
; CHECK-NEXT: ahik  %r2, %r0, -24
; CHECK-NEXT: br %r14
  %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 false)
  ret i8 %1
}

define i8 @f7(i8 %arg) {
; CHECK-LABEL: f7:
; CHECK-LABEL: %bb.0:
; CHECK-NEXT: # kill
; CHECK-NEXT: llgcr %r0, %r2
; CHECK-NEXT: flogr %r0, %r0
; CHECK-NEXT: aghi  %r0, -32
; CHECK-NEXT: ahik  %r2, %r0, -24
; CHECK-NEXT: br %r14
  %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 true)
  ret i8 %1
}