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Add more generic half tests (NFC) #157211

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31 changes: 31 additions & 0 deletions llvm/test/CodeGen/BPF/half.ll
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; This is the BPF counterpart to the generic `half.ll` test as BPF has compilation errors on some
; operations.
; RUN: llc %s -o - -mtriple=bpfel | FileCheck %s

define half @from_bits(i16 %bits) nounwind {
; CHECK-LABEL: from_bits:
; CHECK: # %bb.0:
; CHECK-NEXT: w0 = w1
; CHECK-NEXT: exit
%f = bitcast i16 %bits to half
ret half %f
}

define i16 @to_bits(half %f) nounwind {
; CHECK-LABEL: to_bits:
; CHECK: # %bb.0:
; CHECK-NEXT: w0 = w1
; CHECK-NEXT: exit
%bits = bitcast half %f to i16
ret i16 %bits
}

define half @check_freeze(half %f) nounwind {
; CHECK-LABEL: check_freeze:
; CHECK: # %bb.0:
; CHECK-NEXT: w0 = w1
; CHECK-NEXT: exit
%t0 = freeze half %f
ret half %t0
}
26 changes: 26 additions & 0 deletions llvm/test/CodeGen/DirectX/half.ll
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@@ -0,0 +1,26 @@
; This is the DirectX counterpart to the generic `half.ll` test as DirectX has compilation errors
; on some operations.
; RUN: llc %s -o - -mtriple=dxil-pc-shadermodel6.3-library | FileCheck %s

define half @from_bits(i16 %bits) nounwind {
; CHECK-LABEL: @from_bits
; CHECK: %f = bitcast i16 %bits to half
; CHECK-NEXT: ret half %f
%f = bitcast i16 %bits to half
ret half %f
}

define i16 @to_bits(half %f) nounwind {
; CHECK-LABEL: @to_bits
; CHECK: %bits = bitcast half %f to i16
; CHECK-NEXT: ret i16 %bits
%bits = bitcast half %f to i16
ret i16 %bits
}

define half @check_freeze(half %f) nounwind {
; CHECK-LABEL: @check_freeze
; CHECK: ret half %f
%t0 = freeze half %f
ret half %t0
}
126 changes: 85 additions & 41 deletions llvm/test/CodeGen/Generic/half.ll
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Expand Up @@ -4,47 +4,47 @@
; 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 %}
; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=arm64ec-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK %}
; 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 %}
; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 -mcpu=ck860fv -mattr=+hard-float | FileCheck %s --check-prefixes=ALL,BAD %}
; RUN: %if directx-registered-target %{ llc %s -o - -mtriple=dxil-pc-shadermodel6.3-library | FileCheck %s --check-prefixes=NOCRASH %}
; RUN: %if hexagon-registered-target %{ llc %s -o - -mtriple=hexagon-unknown-linux-musl | FileCheck %s --check-prefixes=ALL,CHECK %}
; 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 %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64el-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mipsel-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
; 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 %}
; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD %}
; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD %}
; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD %}
; 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 %}
; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
; 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 %}
; RUN: %if ve-registered-target %{ llc %s -o - -mtriple=ve-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD %}
; RUN: %if webassembly-registered-target %{ llc %s -o - -mtriple=wasm32-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD %}
; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
; 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 %}
; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-apple-darwin | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=arm64ec-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if amdgpu-registered-target %{ llc %s -o - -mtriple=amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if arc-registered-target %{ llc %s -o - -mtriple=arc-elf | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=arm-unknown-linux-gnueabi | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if avr-registered-target %{ llc %s -o - -mtriple=avr-none | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; BPF errors on some operations, so has its own separate `half.ll` test.
; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 -mcpu=ck860fv -mattr=+hard-float | FileCheck %s --check-prefixes=ALL,BAD,BAD-NEG-ABS,BAD-COPYSIGN %}
; DirectX errors on some operations, so has its own separate `half.ll` test.
; RUN: %if hexagon-registered-target %{ llc %s -o - -mtriple=hexagon-unknown-linux-musl | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if lanai-registered-target %{ llc %s -o - -mtriple=lanai-unknown-unknown | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu -mattr=+f | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if m68k-registered-target %{ llc %s -o - -mtriple=m68k-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64el-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mipsel-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if msp430-registered-target %{ llc %s -o - -mtriple=msp430-none-elf | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,BAD-COPYSIGN %}
; 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,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}
; 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,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if ve-registered-target %{ llc %s -o - -mtriple=ve-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if webassembly-registered-target %{ llc %s -o - -mtriple=wasm32-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK,CHECK-NEG-ABS,CHECK-COPYSIGN %}
; RUN: %if xcore-registered-target %{ llc %s -o - -mtriple=xcore-unknown-unknown | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,BAD-COPYSIGN %}
; RUN: %if xtensa-registered-target %{ llc %s -o - -mtriple=xtensa-none-elf | FileCheck %s --check-prefixes=ALL,CHECK,BAD-NEG-ABS,CHECK-COPYSIGN %}

; Note that arm64ec labels are quoted, hence the `{{"?}}:`.

Expand Down Expand Up @@ -86,3 +86,47 @@ define half @check_freeze(half %f) nounwind {
%t0 = freeze half %f
ret half %t0
}

; 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
}