File: vsplat-ext.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 (30 lines) | stat: -rw-r--r-- 793 bytes parent folder | download | duplicates (22) 
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
26
27
28
29
30
 
; RUN: llc -O2 -march=hexagon < %s | FileCheck %s

; Hexagon's vsplatb/vsplath only consider the lower 8/16 bits of the source
; register.  Any extension of the source is not necessary.

; CHECK-NOT: zxtb
; CHECK-NOT: zxth

target triple = "hexagon"

; Function Attrs: nounwind readnone
define i64 @f0(i64 %a0) #0 {
b0:
  %v0 = trunc i64 %a0 to i32
  %v1 = and i32 %v0, 65535
  %v2 = tail call i64 @llvm.hexagon.S2.vsplatrh(i32 %v1)
  %v3 = and i32 %v0, 255
  %v4 = tail call i32 @llvm.hexagon.S2.vsplatrb(i32 %v3)
  %v5 = sext i32 %v4 to i64
  %v6 = add nsw i64 %v5, %v2
  ret i64 %v6
}

; Function Attrs: nounwind readnone
declare i64 @llvm.hexagon.S2.vsplatrh(i32) #0

; Function Attrs: nounwind readnone
declare i32 @llvm.hexagon.S2.vsplatrb(i32) #0

attributes #0 = { nounwind readnone }