File: neon-intrinsics.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (25 lines) | stat: -rw-r--r-- 1,142 bytes parent folder | download | duplicates (8)
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
; RUN: opt < %s -passes=instcombine -mtriple=arm -S | FileCheck %s

; The alignment arguments for NEON load/store intrinsics can be increased
; by instcombine.  Check for this.

; CHECK: vld4.v2i32.p0({{.*}}, i32 32)
; CHECK: vst4.p0.v2i32({{.*}}, i32 16)

@x = common global [8 x i32] zeroinitializer, align 32
@y = common global [8 x i32] zeroinitializer, align 16

%struct.__neon_int32x2x4_t = type { <2 x i32>, <2 x i32>, <2 x i32>, <2 x i32> }

define void @test() nounwind ssp {
  %tmp1 = call %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4.v2i32.p0(ptr @x, i32 1)
  %tmp2 = extractvalue %struct.__neon_int32x2x4_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int32x2x4_t %tmp1, 1
  %tmp4 = extractvalue %struct.__neon_int32x2x4_t %tmp1, 2
  %tmp5 = extractvalue %struct.__neon_int32x2x4_t %tmp1, 3
  call void @llvm.arm.neon.vst4.p0.v2i32(ptr @y, <2 x i32> %tmp2, <2 x i32> %tmp3, <2 x i32> %tmp4, <2 x i32> %tmp5, i32 1)
  ret void
}

declare %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4.v2i32.p0(ptr, i32) nounwind readonly
declare void @llvm.arm.neon.vst4.p0.v2i32(ptr, <2 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, i32) nounwind