| ; 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 |
| } |
