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| ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
; rdar://13214163 - Make sure we generate a correct lookup table for the TBL
; instruction when the element size of the vector is not 8 bits. We were
; getting both the endianness wrong and the element indexing wrong.
define <8 x i16> @foo(<8 x i16> %a) nounwind readnone {
; CHECK: .section __TEXT,__literal16,16byte_literals
; CHECK: .p2align 4
; CHECK:lCPI0_0:
; CHECK: .byte 0 ; 0x0
; CHECK: .byte 1 ; 0x1
; CHECK: .byte 0 ; 0x0
; CHECK: .byte 1 ; 0x1
; CHECK: .byte 0 ; 0x0
; CHECK: .byte 1 ; 0x1
; CHECK: .byte 0 ; 0x0
; CHECK: .byte 1 ; 0x1
; CHECK: .byte 8 ; 0x8
; CHECK: .byte 9 ; 0x9
; CHECK: .byte 8 ; 0x8
; CHECK: .byte 9 ; 0x9
; CHECK: .byte 8 ; 0x8
; CHECK: .byte 9 ; 0x9
; CHECK: .byte 8 ; 0x8
; CHECK: .byte 9 ; 0x9
; CHECK: .section __TEXT,__text,regular,pure_instructions
; CHECK: .globl _foo
; CHECK: .p2align 2
; CHECK:_foo: ; @foo
; CHECK: adrp [[BASE:x[0-9]+]], lCPI0_0@PAGE
; CHECK: ldr q[[REG:[0-9]+]], {{\[}}[[BASE]], lCPI0_0@PAGEOFF]
; CHECK: tbl.16b v0, { v0 }, v[[REG]]
; CHECK: ret
%val = shufflevector <8 x i16> %a, <8 x i16> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 4, i32 4, i32 4, i32 4>
ret <8 x i16> %val
}
|