; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -mattr=+m -verify-machineinstrs < %s | FileCheck %s define signext i32 @mulw(i32 signext %s, i32 signext %n, i32 signext %k) nounwind { ; CHECK-LABEL: mulw: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: addi a2, zero, 1 ; CHECK-NEXT: bge a0, a1, .LBB0_3 ; CHECK-NEXT: # %bb.1: # %for.body.preheader ; CHECK-NEXT: addi a2, zero, 1 ; CHECK-NEXT: .LBB0_2: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: mulw a2, a0, a2 ; CHECK-NEXT: addiw a0, a0, 1 ; CHECK-NEXT: blt a0, a1, .LBB0_2 ; CHECK-NEXT: .LBB0_3: # %for.cond.cleanup ; CHECK-NEXT: mv a0, a2 ; CHECK-NEXT: ret entry: %cmp6 = icmp slt i32 %s, %n br i1 %cmp6, label %for.body, label %for.cond.cleanup for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ 1, %entry ], [ %mul, %for.body ] ret i32 %sum.0.lcssa for.body: ; preds = %entry, %for.body %i.08 = phi i32 [ %inc, %for.body ], [ %s, %entry ] %sum.07 = phi i32 [ %mul, %for.body ], [ 1, %entry ] %mul = mul nsw i32 %i.08, %sum.07 %inc = add nsw i32 %i.08, 1 %cmp = icmp slt i32 %inc, %n br i1 %cmp, label %for.body, label %for.cond.cleanup }