| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc -mtriple=armv8-unknown-none-eabi < %s | FileCheck %s --check-prefixes=CHECK,HARD |
| ; RUN: llc -mtriple=armv8-unknown-none-eabi -mattr=+soft-float < %s | FileCheck %s --check-prefixes=CHECK,SOFT |
| |
| define nofpclass(nan inf) half @f1(half returned nofpclass(nan inf) %x) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: bx lr |
| entry: |
| ret half %x |
| } |
| |
| define noundef half @f2(half nofpclass(nan) %a) { |
| ; HARD-LABEL: f2: |
| ; HARD: @ %bb.0: @ %entry |
| ; HARD-NEXT: vmov.f32 s0, #1.000000e+00 |
| ; HARD-NEXT: vmov s2, r0 |
| ; HARD-NEXT: vcvtb.f32.f16 s2, s2 |
| ; HARD-NEXT: vadd.f32 s0, s2, s0 |
| ; HARD-NEXT: vcvtb.f16.f32 s0, s0 |
| ; HARD-NEXT: vmov r0, s0 |
| ; HARD-NEXT: bx lr |
| ; |
| ; SOFT-LABEL: f2: |
| ; SOFT: @ %bb.0: @ %entry |
| ; SOFT-NEXT: .save {r11, lr} |
| ; SOFT-NEXT: push {r11, lr} |
| ; SOFT-NEXT: uxth r0, r0 |
| ; SOFT-NEXT: bl __aeabi_h2f |
| ; SOFT-NEXT: mov r1, #1065353216 |
| ; SOFT-NEXT: bl __aeabi_fadd |
| ; SOFT-NEXT: bl __aeabi_f2h |
| ; SOFT-NEXT: pop {r11, pc} |
| entry: |
| %0 = fadd half %a, 0xH3C00 |
| ret half %0 |
| } |
