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

; RUN: llc -mtriple=aarch64-eabi %s -o - | FileCheck %s

; The llvm.aarch64.rbit intrinsic should be auto-upgraded to the
; target-independent bitreverse intrinsic.

; CHECK-LABEL: rbit32
; CHECK: rbit w0, w0
define i32 @rbit32(i32 %t) {
entry:
  %rbit.i = call i32 @llvm.aarch64.rbit.i32(i32 %t)
  ret i32 %rbit.i
}

; CHECK-LABEL: rbit64
; CHECK: rbit x0, x0
define i64 @rbit64(i64 %t) {
entry:
  %rbit.i = call i64 @llvm.aarch64.rbit.i64(i64 %t)
  ret i64 %rbit.i
}

declare i64 @llvm.aarch64.rbit.i64(i64)
declare i32 @llvm.aarch64.rbit.i32(i32)

; CHECK-LABEL: rbit_generic32
; CHECK: rbit w0, w0
define i32 @rbit_generic32(i32 %t) {
entry:
  %rbit = call i32 @llvm.bitreverse.i32(i32 %t)
  ret i32 %rbit
}

; CHECK-LABEL: rbit_generic64
; CHECK: rbit x0, x0
define i64 @rbit_generic64(i64 %t) {
entry:
  %rbit = call i64 @llvm.bitreverse.i64(i64 %t)
  ret i64 %rbit
}

declare i32 @llvm.bitreverse.i32(i32) readnone
declare i64 @llvm.bitreverse.i64(i64) readnone