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
4 define signext i32 @mulw(i32 signext %s, i32 signext %n, i32 signext %k) nounwind {
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
20 %cmp6 = icmp slt i32 %s, %n
21 br i1 %cmp6, label %for.body, label %for.cond.cleanup
23 for.cond.cleanup: ; preds = %for.body, %entry
24 %sum.0.lcssa = phi i32 [ 1, %entry ], [ %mul, %for.body ]
27 for.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