| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s |
| |
| ; Test that the prepareSREMEqFold optimization doesn't crash on scalable |
| ; vector types. |
| define <vscale x 4 x i1> @srem_eq_fold_nxv4i8(<vscale x 4 x i8> %va) { |
| ; CHECK-LABEL: srem_eq_fold_nxv4i8: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: addi a0, zero, -85 |
| ; CHECK-NEXT: vsetvli a1, zero, e8,mf2,ta,mu |
| ; CHECK-NEXT: vmul.vx v25, v8, a0 |
| ; CHECK-NEXT: addi a0, zero, 42 |
| ; CHECK-NEXT: vadd.vx v25, v25, a0 |
| ; CHECK-NEXT: vsll.vi v26, v25, 7 |
| ; CHECK-NEXT: vsrl.vi v25, v25, 1 |
| ; CHECK-NEXT: vor.vv v25, v25, v26 |
| ; CHECK-NEXT: vmsleu.vx v0, v25, a0 |
| ; CHECK-NEXT: ret |
| %head_six = insertelement <vscale x 4 x i8> undef, i8 6, i32 0 |
| %splat_six = shufflevector <vscale x 4 x i8> %head_six, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer |
| %rem = srem <vscale x 4 x i8> %va, %splat_six |
| |
| %cc = icmp eq <vscale x 4 x i8> %rem, zeroinitializer |
| ret <vscale x 4 x i1> %cc |
| } |
