xref: /llvm-project/llvm/test/CodeGen/Hexagon/hvx-double-vzero.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon < %s | FileCheck %s
2
3; Test that V_vzero and W_vzero intrinsics work. The W_vzero intrinsic was added
4; for v65/hvx.
5
6; CHECK-LABEL: f0:
7; CHECK: [[VREG1:v([0-9]+)]] = vxor([[VREG1]],[[VREG1]])
8define void @f0(ptr nocapture %a0) #0 {
9b0:
10  %v1 = tail call <32 x i32> @llvm.hexagon.V6.vd0.128B()
11  store <32 x i32> %v1, ptr %a0, align 64
12  ret void
13}
14
15; Function Attrs: nounwind readnone
16declare <32 x i32> @llvm.hexagon.V6.vd0.128B() #1
17
18; CHECK-LABEL: f1:
19; CHECK: [[VREG2:v([0-9]+):([0-9]+).w]] = vsub([[VREG2]],[[VREG2]])
20define void @f1(ptr nocapture %a0) #0 {
21b0:
22  %v1 = tail call <64 x i32> @llvm.hexagon.V6.vdd0.128B()
23  store <64 x i32> %v1, ptr %a0, align 128
24  ret void
25}
26
27; Function Attrs: nounwind readnone
28declare <64 x i32> @llvm.hexagon.V6.vdd0.128B() #1
29
30attributes #0 = { nounwind "target-cpu"="hexagonv65" "target-features"="+hvxv65,+hvx-length128b" }
31attributes #1 = { nounwind readnone }
32