File: bitconvert-vector.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (27 lines) | stat: -rw-r--r-- 1,072 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"="+hvxv60,+hvx-length128b" }