File: bitconvert-vector.ll

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (27 lines) | stat: -rw-r--r-- 1,065 bytes parent folder | download | duplicates (3)
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
; RUN: llc -march=hexagon < %s | FileCheck %s

; This testcase would fail on a bitcast from v64i16 to v32i32. Check that
; is compiles without errors.
; CHECK: valign
; CHECK: vshuff

target triple = "hexagon"

declare <32 x i32> @llvm.hexagon.V6.lo.128B(<64 x i32>) #0
declare <64 x i32> @llvm.hexagon.V6.vshuffvdd.128B(<32 x i32>, <32 x i32>, i32) #0
declare <32 x i32> @llvm.hexagon.V6.valignbi.128B(<32 x i32>, <32 x i32>, i32) #0

define void @fred() #1 {
entry:
  %t0 = bitcast <64 x i16> zeroinitializer to <32 x i32>
  %t1 = tail call <32 x i32> @llvm.hexagon.V6.valignbi.128B(<32 x i32> %t0, <32 x i32> undef, i32 2)
  %t2 = tail call <64 x i32> @llvm.hexagon.V6.vshuffvdd.128B(<32 x i32> undef, <32 x i32> %t1, i32 -2)
  %t3 = tail call <32 x i32> @llvm.hexagon.V6.lo.128B(<64 x i32> %t2)
  store <64 x i16> zeroinitializer, <64 x i16>* undef, align 128
  store <32 x i32> %t3, <32 x i32>* undef, align 128
  unreachable
}


attributes #0 = { nounwind readnone }
attributes #1 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-double" }