diff options
Diffstat (limited to 'llvm/test/CodeGen/Generic')
| -rw-r--r-- | llvm/test/CodeGen/Generic/bfloat-op.ll | 104 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Generic/bfloat.ll | 75 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Generic/half-op.ll | 115 |
3 files changed, 294 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Generic/bfloat-op.ll b/llvm/test/CodeGen/Generic/bfloat-op.ll new file mode 100644 index 0000000..d593328 --- /dev/null +++ b/llvm/test/CodeGen/Generic/bfloat-op.ll @@ -0,0 +1,104 @@ +; 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 +} diff --git a/llvm/test/CodeGen/Generic/bfloat.ll b/llvm/test/CodeGen/Generic/bfloat.ll new file mode 100644 index 0000000..83c6711 --- /dev/null +++ b/llvm/test/CodeGen/Generic/bfloat.ll @@ -0,0 +1,75 @@ +; Simple cross-platform smoke checks for basic bf16 operations. +; +; There shouldn't be any architectures that crash when trying to use `bfloat`; +; check that here. Additionally do a small handful of smoke tests that work +; well cross-platform. + +; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-apple-darwin | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %} +; FIXME: arm64ec crashes when passing/returning bfloat +; RUN: %if amdgpu-registered-target %{ llc %s -o - -mtriple=amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if arc-registered-target %{ llc %s -o - -mtriple=arc-elf | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=arm-unknown-linux-gnueabi | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if avr-registered-target %{ llc %s -o - -mtriple=avr-none | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if bpf-registered-target %{ llc %s -o - -mtriple=bpfel | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 | FileCheck %s --check-prefixes=ALL,CHECK %} +; FIXME: hard float csky crashes +; RUN: %if directx-registered-target %{ llc %s -o - -mtriple=dxil-pc-shadermodel6.3-library | FileCheck %s --check-prefixes=NOCRASH %} +; FIXME: hexagon crashes +; RUN: %if lanai-registered-target %{ llc %s -o - -mtriple=lanai-unknown-unknown | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu -mattr=+f | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if m68k-registered-target %{ llc %s -o - -mtriple=m68k-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %} +; FIXME: mips crashes +; RUN: %if msp430-registered-target %{ llc %s -o - -mtriple=msp430-none-elf | FileCheck %s --check-prefixes=ALL,CHECK %} +; 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 %} +; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %} +; 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,BAD %} +; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if xcore-registered-target %{ llc %s -o - -mtriple=xcore-unknown-unknown | FileCheck %s --check-prefixes=ALL,CHECK %} +; RUN: %if xtensa-registered-target %{ llc %s -o - -mtriple=xtensa-none-elf | FileCheck %s --check-prefixes=ALL,CHECK %} + +; 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: {{.*}} + +; All backends need to be able to bitcast without converting to another format, +; so we assert against libcalls (specifically __truncsfbf2). This won't catch hardware conversions. + +define bfloat @from_bits(i16 %bits) nounwind { +; ALL-LABEL: from_bits{{"?}}: +; ALL-NOT: __extend +; ALL-NOT: __trunc +; ALL-NOT: __gnu + %f = bitcast i16 %bits to bfloat + ret bfloat %f +} + +define i16 @to_bits(bfloat %f) nounwind { +; ALL-LABEL: to_bits{{"?}}: +; CHECK-NOT: __extend +; CHECK-NOT: __trunc +; CHECK-NOT: __gnu +; BAD: __truncsfbf2 + %bits = bitcast bfloat %f to i16 + ret i16 %bits +} + +define bfloat @check_freeze(bfloat %f) nounwind { +; ALL-LABEL: check_freeze{{"?}}: + %t0 = freeze bfloat %f + ret bfloat %t0 +} diff --git a/llvm/test/CodeGen/Generic/half-op.ll b/llvm/test/CodeGen/Generic/half-op.ll new file mode 100644 index 0000000..1037d8e --- /dev/null +++ b/llvm/test/CodeGen/Generic/half-op.ll @@ -0,0 +1,115 @@ +; Same as `half.ll`, but for `fneg`, `fabs`, `copysign` and `fma`. +; Can be merged back into `half.ll` once BPF doesn't have a compiler error. +; 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-NEG-ABS,CHECK-COPYSIGN,CHECK-FMA %} +; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,CHECK-FMA %} +; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,CHECK-FMA %} +; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=arm64ec-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,CHECK-FMA %} +; RUN: %if amdgpu-registered-target %{ llc %s -o - -mtriple=amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,CHECK-FMA %} +; RUN: %if arc-registered-target %{ llc %s -o - -mtriple=arc-elf | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=arm-unknown-linux-gnueabi | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if avr-registered-target %{ llc %s -o - -mtriple=avr-none | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,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,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 -mcpu=ck860fv -mattr=+hard-float | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; FIXME: directx has a compiler error +; RUN: %if hexagon-registered-target %{ llc %s -o - -mtriple=hexagon-unknown-linux-musl | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if lanai-registered-target %{ llc %s -o - -mtriple=lanai-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,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-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if m68k-registered-target %{ llc %s -o - -mtriple=m68k-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64el-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mipsel-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if msp430-registered-target %{ llc %s -o - -mtriple=msp430-none-elf | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if nvptx-registered-target %{ llc %s -o - -mtriple=nvptx64-nvidia-cuda | FileCheck %s --check-prefixes=NOCRASH %} +; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if spirv-registered-target %{ llc %s -o - -mtriple=spirv-unknown-unknown | FileCheck %s --check-prefixes=NOCRASH %} +; RUN: %if systemz-registered-target %{ llc %s -o - -mtriple=s390x-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if ve-registered-target %{ llc %s -o - -mtriple=ve-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if webassembly-registered-target %{ llc %s -o - -mtriple=wasm32-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK-NEG-ABS,CHECK-COPYSIGN,BAD-FMA %} +; RUN: %if xcore-registered-target %{ llc %s -o - -mtriple=xcore-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,BAD-COPYSIGN,BAD-FMA %} +; RUN: %if xtensa-registered-target %{ llc %s -o - -mtriple=xtensa-none-elf | FileCheck %s --check-prefixes=ALL,BAD-NEG-ABS,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. +; See https://github.com/llvm/llvm-project/issues/104915 + +define void @test_fneg(ptr %p1, ptr %p2) #0 { +; ALL-LABEL: test_fneg{{"?}}: +; CHECK-NEG-ABS-NOT: __extend +; CHECK-NEG-ABS-NOT: __trunc +; CHECK-NEG-ABS-NOT: __gnu +; CHECK-NEG-ABS-NOT: __aeabi +; BAD-NEG-ABS: {{__extendhfsf2|__gnu_h2f_ieee|__aeabi_h2f}} + %v = load half, ptr %p1 + %res = fneg half %v + store half %res, ptr %p2 + ret void +} + +define void @test_fabs(ptr %p1, ptr %p2) { +; ALL-LABEL: test_fabs{{"?}}: +; CHECK-NEG-ABS-NOT: __extend +; CHECK-NEG-ABS-NOT: __trunc +; CHECK-NEG-ABS-NOT: __gnu +; CHECK-NEG-ABS-NOT: __aeabi +; BAD-NEG-ABS: {{__extendhfsf2|__gnu_h2f_ieee|__aeabi_h2f}} + %a = load half, ptr %p1 + %r = call half @llvm.fabs.f16(half %a) + store half %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: {{__extendhfsf2|__gnu_h2f_ieee}} + %a = load half, ptr %p1 + %b = load half, ptr %p2 + %r = call half @llvm.copysign.f16(half %a, half %b) + store half %r, ptr %p3 + ret void +} + +; If promoting, fma must promote at least to f64 to avoid double rounding issues. +; This checks for calls to f32 fmaf and truncating f32 to f16. +; See https://github.com/llvm/llvm-project/issues/98389 + +define void @test_fma(ptr %p1, ptr %p2, ptr %p3, ptr %p4) { +; ALL-LABEL: test_fma{{"?}}: +; Allow fmaf16 +; CHECK-FMA-NOT: fmaf{{\b}} +; CHECK-FMA-NOT: __truncsfhf2 +; CHECK-FMA-NOT: __gnu_f2h_ieee +; CHECK-FMA-NOT: __aeabi_f2h +; BAD-FMA: {{__truncsfhf2|__gnu_f2h_ieee|__aeabi_f2h|fmaf\b}} + %a = load half, ptr %p1 + %b = load half, ptr %p2 + %c = load half, ptr %p3 + %r = call half @llvm.fma.f16(half %a, half %b, half %c) + store half %r, ptr %p4 + ret void +} |