xref: /llvm-project/llvm/test/CodeGen/RISCV/bfloat-imm.ll (revision 32597685574e594d745df1bb15dc0e626bd60566)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; RUN: llc -mtriple=riscv32 -mattr=+zfbfmin -verify-machineinstrs \
3; RUN:   -target-abi ilp32f < %s | FileCheck %s
4; RUN: llc -mtriple=riscv64 -mattr=+zfbfmin -verify-machineinstrs \
5; RUN:   -target-abi lp64f < %s | FileCheck %s
6
7define bfloat @bfloat_imm() nounwind {
8; CHECK-LABEL: bfloat_imm:
9; CHECK:       # %bb.0:
10; CHECK-NEXT:    lui a0, %hi(.LCPI0_0)
11; CHECK-NEXT:    flh fa0, %lo(.LCPI0_0)(a0)
12; CHECK-NEXT:    ret
13  ret bfloat 3.0
14}
15
16define bfloat @bfloat_imm_op(bfloat %a) nounwind {
17; CHECK-LABEL: bfloat_imm_op:
18; CHECK:       # %bb.0:
19; CHECK-NEXT:    fcvt.s.bf16 fa5, fa0
20; CHECK-NEXT:    lui a0, 260096
21; CHECK-NEXT:    fmv.w.x fa4, a0
22; CHECK-NEXT:    fadd.s fa5, fa5, fa4
23; CHECK-NEXT:    fcvt.bf16.s fa0, fa5
24; CHECK-NEXT:    ret
25  %1 = fadd bfloat %a, 1.0
26  ret bfloat %1
27}
28
29define bfloat @bfloat_zero() nounwind {
30; CHECK-LABEL: bfloat_zero:
31; CHECK:       # %bb.0:
32; CHECK-NEXT:    fmv.h.x fa0, zero
33; CHECK-NEXT:    ret
34  ret bfloat 0.0
35}
36
37define bfloat @bfloat_negative_zero() nounwind {
38; CHECK-LABEL: bfloat_negative_zero:
39; CHECK:       # %bb.0:
40; CHECK-NEXT:    lui a0, 1048568
41; CHECK-NEXT:    fmv.h.x fa0, a0
42; CHECK-NEXT:    ret
43  ret bfloat -0.0
44}
45