1 ; RUN: llc < %s | FileCheck %s
8 ; svboolx2_t f0(int64_t i, int64_t n) {
9 ; svboolx2_t r = svwhilelt_b16_x2(i, n);
14 ; svboolx2_t f1(svcount_t n) {
15 ; svboolx2_t r = svpext_lane_c8_x2(n, 1);
20 ; Check that predicate register pairs are spilled/filled without an ICE in the backend.
22 target triple = "aarch64-unknown-linux"
24 define <vscale x 32 x i1> @f0(i64 %i, i64 %n) #0 {
26 %0 = tail call { <vscale x 8 x i1>, <vscale x 8 x i1> } @llvm.aarch64.sve.whilelt.x2.nxv8i1(i64 %i, i64 %n)
27 %1 = extractvalue { <vscale x 8 x i1>, <vscale x 8 x i1> } %0, 0
28 %2 = tail call <vscale x 16 x i1> @llvm.aarch64.sve.convert.to.svbool.nxv8i1(<vscale x 8 x i1> %1)
29 %3 = tail call <vscale x 32 x i1> @llvm.vector.insert.nxv32i1.nxv16i1(<vscale x 32 x i1> poison, <vscale x 16 x i1> %2, i64 0)
30 %4 = extractvalue { <vscale x 8 x i1>, <vscale x 8 x i1> } %0, 1
31 %5 = tail call <vscale x 16 x i1> @llvm.aarch64.sve.convert.to.svbool.nxv8i1(<vscale x 8 x i1> %4)
32 %6 = tail call <vscale x 32 x i1> @llvm.vector.insert.nxv32i1.nxv16i1(<vscale x 32 x i1> %3, <vscale x 16 x i1> %5, i64 16)
34 ret <vscale x 32 x i1> %6
37 ; CHECK: whilelt { p0.h, p1.h }
38 ; CHECK: str p0, [sp, #6, mul vl]
39 ; CHECK: str p1, [sp, #7, mul vl]
40 ; CHECK: ldr p0, [sp, #6, mul vl]
41 ; CHECK: ldr p1, [sp, #7, mul vl]
43 define <vscale x 32 x i1> @f1(target("aarch64.svcount") %n) #0 {
45 %0 = tail call { <vscale x 16 x i1>, <vscale x 16 x i1> } @llvm.aarch64.sve.pext.x2.nxv16i1(target("aarch64.svcount") %n, i32 1)
46 %1 = extractvalue { <vscale x 16 x i1>, <vscale x 16 x i1> } %0, 0
47 %2 = tail call <vscale x 32 x i1> @llvm.vector.insert.nxv32i1.nxv16i1(<vscale x 32 x i1> poison, <vscale x 16 x i1> %1, i64 0)
48 %3 = extractvalue { <vscale x 16 x i1>, <vscale x 16 x i1> } %0, 1
49 %4 = tail call <vscale x 32 x i1> @llvm.vector.insert.nxv32i1.nxv16i1(<vscale x 32 x i1> %2, <vscale x 16 x i1> %3, i64 16)
51 ret <vscale x 32 x i1> %4
55 ; CHECK: pext { p0.b, p1.b }
56 ; CHECK: str p0, [sp, #6, mul vl]
57 ; CHECK: str p1, [sp, #7, mul vl]
58 ; CHECK: ldr p0, [sp, #6, mul vl]
59 ; CHECK: ldr p1, [sp, #7, mul vl]
62 declare { <vscale x 8 x i1>, <vscale x 8 x i1> } @llvm.aarch64.sve.whilelt.x2.nxv8i1(i64, i64)
63 declare <vscale x 16 x i1> @llvm.aarch64.sve.convert.to.svbool.nxv8i1(<vscale x 8 x i1>)
64 declare <vscale x 32 x i1> @llvm.vector.insert.nxv32i1.nxv16i1(<vscale x 32 x i1>, <vscale x 16 x i1>, i64 immarg)
65 declare { <vscale x 16 x i1>, <vscale x 16 x i1> } @llvm.aarch64.sve.pext.x2.nxv16i1(target("aarch64.svcount"), i32 immarg) #1
67 attributes #0 = { nounwind "target-features"="+sve,+sve2,+sve2p1" }