1; REQUIRES: asserts 2; RUN: opt -passes=loop-vectorize -mtriple riscv64 -mattr=+v,+zvfbfmin -debug-only=loop-vectorize --disable-output -riscv-v-register-bit-width-lmul=1 -S < %s 2>&1 | FileCheck %s 3 4define void @add(ptr noalias nocapture readonly %src1, ptr noalias nocapture readonly %src2, i32 signext %size, ptr noalias nocapture writeonly %result) { 5; CHECK-LABEL: add 6; CHECK: LV(REG): Found max usage: 2 item 7; CHECK-NEXT: LV(REG): RegisterClass: RISCV::GPRRC, 2 registers 8; CHECK-NEXT: LV(REG): RegisterClass: RISCV::VRRC, 4 registers 9; CHECK-NEXT: LV(REG): Found invariant usage: 1 item 10; CHECK-NEXT: LV(REG): RegisterClass: RISCV::GPRRC, 1 registers 11 12entry: 13 %conv = zext i32 %size to i64 14 %cmp10.not = icmp eq i32 %size, 0 15 br i1 %cmp10.not, label %for.cond.cleanup, label %for.body 16 17for.cond.cleanup: 18 ret void 19 20for.body: 21 %i.011 = phi i64 [ %add4, %for.body ], [ 0, %entry ] 22 %arrayidx = getelementptr inbounds bfloat, ptr %src1, i64 %i.011 23 %0 = load bfloat, ptr %arrayidx, align 4 24 %arrayidx2 = getelementptr inbounds bfloat, ptr %src2, i64 %i.011 25 %1 = load bfloat, ptr %arrayidx2, align 4 26 %add = fadd bfloat %0, %1 27 %arrayidx3 = getelementptr inbounds bfloat, ptr %result, i64 %i.011 28 store bfloat %add, ptr %arrayidx3, align 4 29 %add4 = add nuw nsw i64 %i.011, 1 30 %exitcond.not = icmp eq i64 %add4, %conv 31 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body 32} 33