File: vector-extract-elt.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (19 lines) | stat: -rw-r--r-- 647 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; RUN: llc -march=sparc < %s | FileCheck %s


; If computeKnownSignBits (in SelectionDAG) can do a simple
; look-thru for extractelement then we know that the add will yield a
; non-negative result.
define i1 @test1(<4 x i16>* %in) {
; CHECK-LABEL: ! %bb.0:
; CHECK-NEXT:        retl
; CHECK-NEXT:        mov %g0, %o0
  %vec2 = load <4 x i16>, <4 x i16>* %in, align 1
  %vec3 = lshr <4 x i16> %vec2, <i16 2, i16 2, i16 2, i16 2>
  %vec4 = sext <4 x i16> %vec3 to <4 x i32>
  %elt0 = extractelement <4 x i32> %vec4, i32 0
  %elt1 = extractelement <4 x i32> %vec4, i32 1
  %sum = add i32 %elt0, %elt1
  %bool = icmp slt i32 %sum, 0
  ret i1 %bool
}