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: addi a2, zero, 1 8; CHECK-NEXT: bge a0, a1, .LBB0_3 9; CHECK-NEXT: # %bb.1: # %for.body.preheader 10; CHECK-NEXT: addi a2, zero, 1 11; CHECK-NEXT: .LBB0_2: # %for.body 12; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 13; CHECK-NEXT: mulw a2, a0, a2 14; CHECK-NEXT: addiw a0, a0, 1 15; CHECK-NEXT: blt a0, a1, .LBB0_2 16; CHECK-NEXT: .LBB0_3: # %for.cond.cleanup 17; CHECK-NEXT: mv a0, a2 18; CHECK-NEXT: ret 19entry: 20 %cmp6 = icmp slt i32 %s, %n 21 br i1 %cmp6, label %for.body, label %for.cond.cleanup 22 23for.cond.cleanup: ; preds = %for.body, %entry 24 %sum.0.lcssa = phi i32 [ 1, %entry ], [ %mul, %for.body ] 25 ret i32 %sum.0.lcssa 26 27for.body: ; preds = %entry, %for.body 28 %i.08 = phi i32 [ %inc, %for.body ], [ %s, %entry ] 29 %sum.07 = phi i32 [ %mul, %for.body ], [ 1, %entry ] 30 %mul = mul nsw i32 %i.08, %sum.07 31 %inc = add nsw i32 %i.08, 1 32 %cmp = icmp slt i32 %inc, %n 33 br i1 %cmp, label %for.body, label %for.cond.cleanup 34} 35