; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64 -mattr=+sve < %s | FileCheck %s ; ; OR reductions ; define i1 @reduce_or_insert_subvec_into_zero(<vscale x 4 x i1> %in) { ; CHECK-LABEL: reduce_or_insert_subvec_into_zero: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p1.s ; CHECK-NEXT: ptest p1, p0.b ; CHECK-NEXT: cset w0, ne ; CHECK-NEXT: ret %t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> zeroinitializer, <vscale x 4 x i1> %in, i64 0) %res = call i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1> %t) ret i1 %res } define i1 @reduce_or_insert_subvec_into_poison(<vscale x 4 x i1> %in) { ; CHECK-LABEL: reduce_or_insert_subvec_into_poison: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p1.s ; CHECK-NEXT: ptest p1, p0.b ; CHECK-NEXT: cset w0, ne ; CHECK-NEXT: ret %t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> poison, <vscale x 4 x i1> %in, i64 0) %res = call i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1> %t) ret i1 %res } define i1 @reduce_or_insert_subvec_into_nonzero(<vscale x 4 x i1> %in, <vscale x 16 x i1> %vec) { ; CHECK-LABEL: reduce_or_insert_subvec_into_nonzero: ; CHECK: // %bb.0: ; CHECK-NEXT: punpklo p2.h, p1.b ; CHECK-NEXT: punpkhi p1.h, p1.b ; CHECK-NEXT: punpkhi p2.h, p2.b ; CHECK-NEXT: uzp1 p0.h, p0.h, p2.h ; CHECK-NEXT: uzp1 p0.b, p0.b, p1.b ; CHECK-NEXT: ptest p0, p0.b ; CHECK-NEXT: cset w0, ne ; CHECK-NEXT: ret %t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %in, i64 0) %res = call i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1> %t) ret i1 %res } ; ; AND reductions ; define i1 @reduce_and_insert_subvec_into_ones(<vscale x 4 x i1> %in) { ; CHECK-LABEL: reduce_and_insert_subvec_into_ones: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p1.s ; CHECK-NEXT: not p0.b, p1/z, p0.b ; CHECK-NEXT: ptest p1, p0.b ; CHECK-NEXT: cset w0, eq ; CHECK-NEXT: ret %allones.ins = insertelement <vscale x 16 x i1> poison, i1 1, i32 0 %allones = shufflevector <vscale x 16 x i1> %allones.ins, <vscale x 16 x i1> poison, <vscale x 16 x i32> zeroinitializer %t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> %allones, <vscale x 4 x i1> %in, i64 0) %res = call i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1> %t) ret i1 %res } define i1 @reduce_and_insert_subvec_into_poison(<vscale x 4 x i1> %in) { ; CHECK-LABEL: reduce_and_insert_subvec_into_poison: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p1.s ; CHECK-NEXT: not p0.b, p1/z, p0.b ; CHECK-NEXT: ptest p1, p0.b ; CHECK-NEXT: cset w0, eq ; CHECK-NEXT: ret %t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> poison, <vscale x 4 x i1> %in, i64 0) %res = call i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1> %t) ret i1 %res } define i1 @reduce_and_insert_subvec_into_var(<vscale x 4 x i1> %in, <vscale x 16 x i1> %vec) { ; CHECK-LABEL: reduce_and_insert_subvec_into_var: ; CHECK: // %bb.0: ; CHECK-NEXT: punpklo p3.h, p1.b ; CHECK-NEXT: punpkhi p1.h, p1.b ; CHECK-NEXT: punpkhi p3.h, p3.b ; CHECK-NEXT: ptrue p2.b ; CHECK-NEXT: uzp1 p0.h, p0.h, p3.h ; CHECK-NEXT: uzp1 p0.b, p0.b, p1.b ; CHECK-NEXT: not p0.b, p2/z, p0.b ; CHECK-NEXT: ptest p2, p0.b ; CHECK-NEXT: cset w0, eq ; CHECK-NEXT: ret %t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %in, i64 0) %res = call i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1> %t) ret i1 %res } declare i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1>) declare i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1>) declare <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1>, <vscale x 4 x i1>, i64)