File: 2013-05-13-DAGCombiner-undef-mask.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 (23 lines) | stat: -rw-r--r-- 903 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=armv7-none-linux-gnueabi < %s | FileCheck %s

define <3 x i64> @shuffle(i1 %dec1, i1 %dec0, <3 x i64> %b) {
; CHECK-LABEL: shuffle:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    tst r1, #1
; CHECK-NEXT:    moveq r1, #0
; CHECK-NEXT:    vmoveq d16, r1, r1
; CHECK-NEXT:    vldrne d16, [sp]
; CHECK-NEXT:    tst r2, #1
; CHECK-NEXT:    moveq r1, #0
; CHECK-NEXT:    vmoveq d18, r1, r1
; CHECK-NEXT:    vldrne d18, [sp, #8]
; CHECK-NEXT:    vorr d17, d18, d18
; CHECK-NEXT:    vst1.64 {d16, d17}, [r0:128]
; CHECK-NEXT:    bx lr
entry:
  %.sink = select i1 %dec1, <3 x i64> %b, <3 x i64> zeroinitializer
  %.sink15 = select i1 %dec0, <3 x i64> %b, <3 x i64> zeroinitializer
  %vecinit7 = shufflevector <3 x i64> %.sink, <3 x i64> %.sink15, <3 x i32> <i32 0, i32 4, i32 undef>
  ret <3 x i64> %vecinit7
}