File: neon-intrinsics.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (25 lines) | stat: -rw-r--r-- 1,210 bytes parent folder | download
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.p0i8({{.*}}, i32 32)
; CHECK: vst4.p0i8.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.p0i8(i8* bitcast ([8 x i32]* @x to i8*), 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.p0i8.v2i32(i8* bitcast ([8 x i32]* @y to i8*), <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.p0i8(i8*, i32) nounwind readonly
declare void @llvm.arm.neon.vst4.p0i8.v2i32(i8*, <2 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, i32) nounwind