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1; REQUIRES: asserts2; RUN: llc < %s -O3 -mattr=+v -debug -lsr-drop-solution 2>&1 | FileCheck --check-prefix=DEBUG %s3; RUN: llc < %s -O3 -mattr=+v -debug 2>&1 | FileCheck --check-prefix=DEBUG2 %s4 5target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"6target triple = "riscv64-unknown-linux-gnu"7 8define ptr @foo(ptr %a0, ptr %a1, i64 %a2) {9;DEBUG: The baseline solution requires 2 instructions 4 regs, with addrec cost 2, plus 3 setup cost10;DEBUG: The chosen solution requires 3 instructions 6 regs, with addrec cost 1, plus 2 base adds, plus 5 setup cost11;DEBUG: Baseline is more profitable than chosen solution, dropping LSR solution.12 13;DEBUG2: Baseline is more profitable than chosen solution, add option 'lsr-drop-solution' to drop LSR solution.14entry:15 %0 = ptrtoint ptr %a0 to i6416 %1 = tail call i64 @llvm.riscv.vsetvli.i64(i64 %a2, i64 0, i64 3)17 %cmp.not = icmp eq i64 %1, %a218 br i1 %cmp.not, label %if.end, label %if.then19 20if.then: ; preds = %entry21 %add = add i64 %0, %a222 %sub = sub i64 %add, %123 br label %do.body24 25do.body: ; preds = %do.body, %if.then26 %a3.0 = phi i64 [ %0, %if.then ], [ %add1, %do.body ]27 %a1.addr.0 = phi ptr [ %a1, %if.then ], [ %add.ptr, %do.body ]28 %2 = tail call <vscale x 64 x i8> @llvm.riscv.vle.nxv64i8.i64(<vscale x 64 x i8> undef, ptr %a1.addr.0, i64 %1)29 %3 = inttoptr i64 %a3.0 to ptr30 tail call void @llvm.riscv.vse.nxv64i8.i64(<vscale x 64 x i8> %2, ptr %3, i64 %1)31 %add1 = add i64 %a3.0, %132 %add.ptr = getelementptr i8, ptr %a1.addr.0, i64 %133 %cmp2 = icmp ugt i64 %sub, %add134 br i1 %cmp2, label %do.body, label %do.end35 36do.end: ; preds = %do.body37 %sub4 = sub i64 %add, %add138 %4 = tail call i64 @llvm.riscv.vsetvli.i64(i64 %sub4, i64 0, i64 3)39 br label %if.end40 41if.end: ; preds = %do.end, %entry42 %a3.1 = phi i64 [ %add1, %do.end ], [ %0, %entry ]43 %t0.0 = phi i64 [ %4, %do.end ], [ %a2, %entry ]44 %a1.addr.1 = phi ptr [ %add.ptr, %do.end ], [ %a1, %entry ]45 %5 = tail call <vscale x 64 x i8> @llvm.riscv.vle.nxv64i8.i64(<vscale x 64 x i8> undef, ptr %a1.addr.1, i64 %t0.0)46 %6 = inttoptr i64 %a3.1 to ptr47 tail call void @llvm.riscv.vse.nxv64i8.i64(<vscale x 64 x i8> %5, ptr %6, i64 %t0.0)48 ret ptr %a049}50 51declare i64 @llvm.riscv.vsetvli.i64(i64, i64 immarg, i64 immarg)52 53declare <vscale x 64 x i8> @llvm.riscv.vle.nxv64i8.i64(<vscale x 64 x i8>, ptr nocapture, i64)54 55declare void @llvm.riscv.vse.nxv64i8.i64(<vscale x 64 x i8>, ptr nocapture, i64)56