xref: /llvm-project/llvm/test/CodeGen/RISCV/rvv/cmp-folds.ll (revision 1cb599835ccf7ee8b2d1d5a7f3107e19a26fc6f5)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -mattr=+m,+d,+zvfh,+v -verify-machineinstrs < %s | FileCheck %s
3; RUN: llc -mtriple=riscv64 -mattr=+m,+d,+zvfh,+v -verify-machineinstrs < %s | FileCheck %s
4
5define <vscale x 8 x i1> @not_icmp_sle_nxv8i16(<vscale x 8 x i16> %a, <vscale x 8 x i16> %b) {
6; CHECK-LABEL: not_icmp_sle_nxv8i16:
7; CHECK:       # %bb.0:
8; CHECK-NEXT:    vsetvli a0, zero, e16, m2, ta, ma
9; CHECK-NEXT:    vmslt.vv v0, v10, v8
10; CHECK-NEXT:    ret
11  %icmp = icmp sle <vscale x 8 x i16> %a, %b
12  %not = xor <vscale x 8 x i1> splat (i1 true), %icmp
13  ret <vscale x 8 x i1> %not
14}
15
16define <vscale x 4 x i1> @not_icmp_sgt_nxv4i32(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b) {
17; CHECK-LABEL: not_icmp_sgt_nxv4i32:
18; CHECK:       # %bb.0:
19; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
20; CHECK-NEXT:    vmsle.vv v0, v8, v10
21; CHECK-NEXT:    ret
22  %icmp = icmp sgt <vscale x 4 x i32> %a, %b
23  %not = xor <vscale x 4 x i1> %icmp, splat (i1 true)
24  ret <vscale x 4 x i1> %not
25}
26
27define <vscale x 2 x i1> @not_fcmp_une_nxv2f64(<vscale x 2 x double> %a, <vscale x 2 x double> %b) {
28; CHECK-LABEL: not_fcmp_une_nxv2f64:
29; CHECK:       # %bb.0:
30; CHECK-NEXT:    vsetvli a0, zero, e64, m2, ta, ma
31; CHECK-NEXT:    vmfeq.vv v0, v8, v10
32; CHECK-NEXT:    ret
33  %icmp = fcmp une <vscale x 2 x double> %a, %b
34  %not = xor <vscale x 2 x i1> %icmp, splat (i1 true)
35  ret <vscale x 2 x i1> %not
36}
37
38define <vscale x 4 x i1> @not_fcmp_uge_nxv4f32(<vscale x 4 x float> %a, <vscale x 4 x float> %b) {
39; CHECK-LABEL: not_fcmp_uge_nxv4f32:
40; CHECK:       # %bb.0:
41; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
42; CHECK-NEXT:    vmflt.vv v0, v8, v10
43; CHECK-NEXT:    ret
44  %icmp = fcmp uge <vscale x 4 x float> %a, %b
45  %not = xor <vscale x 4 x i1> %icmp, splat (i1 true)
46  ret <vscale x 4 x i1> %not
47}
48