File: vector-extract.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (26 lines) | stat: -rw-r--r-- 1,100 bytes parent folder | download | duplicates (14)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=armv7a-none-eabi -mattr=+neon %s -o - | FileCheck %s

; Check that the two extracts are not combined into a vmov.

%struct.__neon_int32x4x4_t = type { <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32> }

define i32 @vld4Qi32(ptr %A) nounwind {
; CHECK-LABEL: vld4Qi32:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld4.32 {d16, d18, d20, d22}, [r0]!
; CHECK-NEXT:    vld4.32 {d17, d19, d21, d23}, [r0]
; CHECK-NEXT:    vmov.32 r0, d18[1]
; CHECK-NEXT:    vmov.32 r1, d16[0]
; CHECK-NEXT:    add r0, r1, r0
; CHECK-NEXT:    bx lr
        %tmp1 = call %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4.v4i32.p0(ptr %A, i32 1)
        %tmp2 = extractvalue %struct.__neon_int32x4x4_t %tmp1, 0
        %tmp3 = extractelement <4 x i32> %tmp2, i32 0
        %tmp4 = extractvalue %struct.__neon_int32x4x4_t %tmp1, 1
        %tmp5 = extractelement <4 x i32> %tmp4, i32 1
        %tmp6 = add i32 %tmp3, %tmp5
        ret i32 %tmp6
}

declare %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4.v4i32.p0(ptr, i32) nounwind readonly