File: obfuscated_splat.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
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
}