File: obfuscated_splat.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (11 lines) | stat: -rw-r--r-- 609 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
 
; RUN: opt -instcombine -S < %s | FileCheck %s

define void @test(<4 x float> *%in_ptr, <4 x float> *%out_ptr) {
  %A = load <4 x float>, <4 x float>* %in_ptr, align 16
  %B = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 undef, i32 undef>
  %C = shufflevector <4 x float> %B, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 4, i32 undef>
  %D = shufflevector <4 x float> %C, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 2, i32 4>
; CHECK:  %D = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> zeroinitializer
  store <4 x float> %D, <4 x float> *%out_ptr
  ret void
}