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1; REQUIRES: asserts2; RUN: opt --passes=loop-vectorize --mtriple loongarch64-linux-gnu \3; RUN: --mattr=+lsx -debug-only=loop-vectorize,vplan --force-vector-width=1 \4; RUN: -S < %s 2>&1 | FileCheck %s --check-prefix=CHECK-SCALAR5; RUN: opt --passes=loop-vectorize --mtriple loongarch64-linux-gnu \6; RUN: --mattr=+lsx -debug-only=loop-vectorize,vplan --force-vector-width=4 \7; RUN: -S < %s 2>&1 | FileCheck %s --check-prefix=CHECK-VECTOR8 9define void @bar(ptr %A, i32 signext %n) {10; CHECK-LABEL: bar11; CHECK-SCALAR: LV(REG): Found max usage: 2 item12; CHECK-SCALAR-NEXT: LV(REG): RegisterClass: LoongArch::GPRRC, 3 registers13; CHECK-SCALAR-NEXT: LV(REG): RegisterClass: LoongArch::FPRRC, 1 registers14; CHECK-SCALAR-NEXT: LV(REG): Found invariant usage: 1 item15; CHECK-SCALAR-NEXT: LV(REG): RegisterClass: LoongArch::GPRRC, 1 registers16; CHECK-SCALAR-NEXT: LV: The target has 30 registers of LoongArch::GPRRC register class17; CHECK-SCALAR-NEXT: LV: The target has 32 registers of LoongArch::FPRRC register class18; CHECK-VECTOR: LV(REG): Found max usage: 2 item19; CHECK-VECTOR-NEXT: LV(REG): RegisterClass: LoongArch::GPRRC, 2 registers20; CHECK-VECTOR-NEXT: LV(REG): RegisterClass: LoongArch::VRRC, 2 registers21; CHECK-VECTOR-NEXT: LV(REG): Found invariant usage: 1 item22; CHECK-VECTOR-NEXT: LV(REG): RegisterClass: LoongArch::GPRRC, 1 registers23; CHECK-VECTOR-NEXT: LV: The target has 30 registers of LoongArch::GPRRC register class24; CHECK-VECTOR-NEXT: LV: The target has 32 registers of LoongArch::VRRC register class25 26entry:27 %cmp4 = icmp sgt i32 %n, 028 br i1 %cmp4, label %for.body.preheader, label %for.cond.cleanup29 30for.body.preheader: ; preds = %entry31 %wide.trip.count = zext nneg i32 %n to i6432 br label %for.body33 34for.cond.cleanup: ; preds = %for.body, %entry35 ret void36 37for.body: ; preds = %for.body.preheader, %for.body38 %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]39 %0 = trunc i64 %indvars.iv to i3240 %conv = sitofp i32 %0 to float41 %arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv42 store float %conv, ptr %arrayidx, align 443 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 144 %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count45 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body46}47