40 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -O3 < %s -mtriple=riscv64 -mattr=+v | FileCheck %s3 4define i32 @test(ptr %a, i64 %n) {5; CHECK-LABEL: test:6; CHECK: # %bb.0: # %entry7; CHECK-NEXT: li a3, 08; CHECK-NEXT: vsetvli a2, zero, e32, m1, ta, ma9; CHECK-NEXT: vmv.s.x v8, zero10; CHECK-NEXT: .LBB0_1: # %loop11; CHECK-NEXT: # =>This Inner Loop Header: Depth=112; CHECK-NEXT: vl1re32.v v9, (a0)13; CHECK-NEXT: mv a2, a314; CHECK-NEXT: addi a1, a1, -115; CHECK-NEXT: vredsum.vs v9, v9, v816; CHECK-NEXT: vmv.x.s a3, v917; CHECK-NEXT: addw a3, a3, a318; CHECK-NEXT: addi a0, a0, 819; CHECK-NEXT: bnez a1, .LBB0_120; CHECK-NEXT: # %bb.2: # %exit21; CHECK-NEXT: mv a0, a222; CHECK-NEXT: ret23entry:24 br label %loop25 26loop:27 %indvar = phi i64 [ 0, %entry ], [ %indvar.inc, %loop ]28 %sum = phi i32 [ 0, %entry ], [ %sum.inc, %loop ]29 %idx = getelementptr inbounds ptr, ptr %a, i64 %indvar30 %data = load <vscale x 2 x i32>, ptr %idx31 %reduce = tail call i32 @llvm.vector.reduce.add.nxv2i32(<vscale x 2 x i32> %data)32 %sum.inc = add i32 %reduce, %reduce33 %indvar.inc = add i64 %indvar, 134 %cmp = icmp eq i64 %indvar.inc, %n35 br i1 %cmp, label %exit, label %loop36 37exit:38 ret i32 %sum39}40