xref: /llvm-project/llvm/test/CodeGen/RISCV/bfloat-isnan.ll (revision 32597685574e594d745df1bb15dc0e626bd60566)
18a71f44eSAlex Bradbury; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2*32597685SJianjian Guan; RUN: llc -mtriple=riscv32 -mattr=+zfbfmin -verify-machineinstrs \
38a71f44eSAlex Bradbury; RUN:   -target-abi ilp32f < %s | FileCheck %s
4*32597685SJianjian Guan; RUN: llc -mtriple=riscv64 -mattr=+zfbfmin -verify-machineinstrs \
58a71f44eSAlex Bradbury; RUN:   -target-abi lp64f < %s | FileCheck %s
68a71f44eSAlex Bradbury
78a71f44eSAlex Bradburydefine zeroext i1 @bfloat_is_nan(bfloat %a) nounwind {
88a71f44eSAlex Bradbury; CHECK-LABEL: bfloat_is_nan:
98a71f44eSAlex Bradbury; CHECK:       # %bb.0:
108a71f44eSAlex Bradbury; CHECK-NEXT:    fcvt.s.bf16 fa5, fa0
118a71f44eSAlex Bradbury; CHECK-NEXT:    feq.s a0, fa5, fa5
128a71f44eSAlex Bradbury; CHECK-NEXT:    xori a0, a0, 1
138a71f44eSAlex Bradbury; CHECK-NEXT:    ret
148a71f44eSAlex Bradbury  %1 = fcmp uno bfloat %a, 0.000000e+00
158a71f44eSAlex Bradbury  ret i1 %1
168a71f44eSAlex Bradbury}
178a71f44eSAlex Bradbury
188a71f44eSAlex Bradburydefine zeroext i1 @bfloat_not_nan(bfloat %a) nounwind {
198a71f44eSAlex Bradbury; CHECK-LABEL: bfloat_not_nan:
208a71f44eSAlex Bradbury; CHECK:       # %bb.0:
218a71f44eSAlex Bradbury; CHECK-NEXT:    fcvt.s.bf16 fa5, fa0
228a71f44eSAlex Bradbury; CHECK-NEXT:    feq.s a0, fa5, fa5
238a71f44eSAlex Bradbury; CHECK-NEXT:    ret
248a71f44eSAlex Bradbury  %1 = fcmp ord bfloat %a, 0.000000e+00
258a71f44eSAlex Bradbury  ret i1 %1
268a71f44eSAlex Bradbury}
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