1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=riscv64 -mattr=+m -verify-machineinstrs < %s | FileCheck %s 3 4define signext i32 @mulw(i32 signext %s, i32 signext %n, i32 signext %k) nounwind { 5; CHECK-LABEL: mulw: 6; CHECK: # %bb.0: # %entry 7; CHECK-NEXT: li a2, 1 8; CHECK-NEXT: bge a0, a1, .LBB0_2 9; CHECK-NEXT: .LBB0_1: # %for.body 10; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 11; CHECK-NEXT: mulw a2, a0, a2 12; CHECK-NEXT: addiw a0, a0, 1 13; CHECK-NEXT: blt a0, a1, .LBB0_1 14; CHECK-NEXT: .LBB0_2: # %for.cond.cleanup 15; CHECK-NEXT: mv a0, a2 16; CHECK-NEXT: ret 17entry: 18 %cmp6 = icmp slt i32 %s, %n 19 br i1 %cmp6, label %for.body, label %for.cond.cleanup 20 21for.cond.cleanup: ; preds = %for.body, %entry 22 %sum.0.lcssa = phi i32 [ 1, %entry ], [ %mul, %for.body ] 23 ret i32 %sum.0.lcssa 24 25for.body: ; preds = %entry, %for.body 26 %i.08 = phi i32 [ %inc, %for.body ], [ %s, %entry ] 27 %sum.07 = phi i32 [ %mul, %for.body ], [ 1, %entry ] 28 %mul = mul nsw i32 %i.08, %sum.07 29 %inc = add nsw i32 %i.08, 1 30 %cmp = icmp slt i32 %inc, %n 31 br i1 %cmp, label %for.body, label %for.cond.cleanup 32} 33