; Same as `bfloat.ll`, but for `fneg`, `fabs`, `copysign` and `fma`. ; Can be merged back into `bfloat.ll` once they have the same platform coverage. ; Once all targets are fixed, the `CHECK-*` prefixes should all be merged into a single `CHECK` prefix and the `BAD-*` prefixes should be removed. ; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-apple-darwin | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,CHECK-FMA %} ; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,CHECK-FMA %} ; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,CHECK-FMA %} ; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=arm64ec-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,CHECK-FMA %} ; RUN: %if amdgpu-registered-target %{ llc %s -o - -mtriple=amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,CHECK-FMA %} ; RUN: %if arc-registered-target %{ llc %s -o - -mtriple=arc-elf | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=arm-unknown-linux-gnueabi | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if avr-registered-target %{ llc %s -o - -mtriple=avr-none | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; FIXME: BPF has a compiler error ; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; FIXME: hard float csky crashes ; FIXME: directx has a compiler error ; FIXME: hexagon crashes ; RUN: %if lanai-registered-target %{ llc %s -o - -mtriple=lanai-unknown-unknown | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu -mattr=+f | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if m68k-registered-target %{ llc %s -o - -mtriple=m68k-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; FIXME: mips crashes ; RUN: %if msp430-registered-target %{ llc %s -o - -mtriple=msp430-none-elf | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if nvptx-registered-target %{ llc %s -o - -mtriple=nvptx64-nvidia-cuda | FileCheck %s --check-prefixes=NOCRASH %} ; FIXME: powerpc crashes ; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; FIXME: sparc crashes ; FIXME: spirv crashes ; FIXME: s390x crashes ; FIXME: ve crashes ; FIXME: wasm crashes ; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if xcore-registered-target %{ llc %s -o - -mtriple=xcore-unknown-unknown | FileCheck %s --check-prefixes=ALL,CHECK-COPYSIGN,BAD-FMA %} ; RUN: %if xtensa-registered-target %{ llc %s -o - -mtriple=xtensa-none-elf | FileCheck %s --check-prefixes=ALL,BAD-COPYSIGN,CHECK-FMA %} ; Note that arm64ec labels are quoted, hence the `{{"?}}:`. ; Codegen tests don't work the same for graphics targets. Add a dummy directive ; for filecheck, just make sure we don't crash. ; NOCRASH: {{.*}} ; fneg, fabs and copysign all need to not quieten signalling NaNs, so should not call any conversion functions which do. ; These tests won't catch cases where the everything is done using native instructions instead of builtins. define void @test_fneg(ptr %p1, ptr %p2) #0 { ; ALL-LABEL: test_fneg{{"?}}: ; ALL-NEG-NOT: __extend ; ALL-NEG-NOT: __trunc ; ALL-NEG-NOT: __gnu ; ALL-NEG-NOT: __aeabi %v = load bfloat, ptr %p1 %res = fneg bfloat %v store bfloat %res, ptr %p2 ret void } define void @test_fabs(ptr %p1, ptr %p2) { ; ALL-LABEL: test_fabs{{"?}}: ; ALL-ABS-NOT: __extend ; ALL-ABS-NOT: __trunc ; ALL-ABS-NOT: __gnu ; ALL-ABS-NOT: __aeabi %a = load bfloat, ptr %p1 %r = call bfloat @llvm.fabs.f16(bfloat %a) store bfloat %r, ptr %p2 ret void } define void @test_copysign(ptr %p1, ptr %p2, ptr %p3) { ; ALL-LABEL: test_copysign{{"?}}: ; CHECK-COPYSIGN-NOT: __extend ; CHECK-COPYSIGN-NOT: __trunc ; CHECK-COPYSIGN-NOT: __gnu ; CHECK-COPYSIGN-NOT: __aeabi ; BAD-COPYSIGN: __truncsfbf2 %a = load bfloat, ptr %p1 %b = load bfloat, ptr %p2 %r = call bfloat @llvm.copysign.f16(bfloat %a, bfloat %b) store bfloat %r, ptr %p3 ret void } ; There is no floating-point type LLVM supports that is large enough to promote bfloat FMA to ; without causing double rounding issues. This checks for libcalls to f32/f64 fma and truncating ; f32/f64 to bf16. See https://github.com/llvm/llvm-project/issues/131531 define void @test_fma(ptr %p1, ptr %p2, ptr %p3, ptr %p4) { ; ALL-LABEL: test_fma{{"?}}: ; CHECK-FMA-NOT: {{\bfmaf?\b}} ; CHECK-FMA-NOT: __truncsfbf2 ; CHECK-FMA-NOT: __truncdfbf2 ; BAD-FMA: {{__truncsfbf2|\bfmaf?\b}} %a = load bfloat, ptr %p1 %b = load bfloat, ptr %p2 %c = load bfloat, ptr %p3 %r = call bfloat @llvm.fma.f16(bfloat %a, bfloat %b, bfloat %c) store bfloat %r, ptr %p4 ret void }