819abe412d
Some tests contain errors in constrained intrinsic usage, such as missed or extra type parameters, wrong type parameters order and some other. --------- Co-authored-by: Andy Kaylor <andy_kaylor@yahoo.com>
182 lines
6.3 KiB
LLVM
182 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-linux-gnu | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -mattr=+avx2 | FileCheck %s --check-prefixes=X64
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -mattr=+avx512bf16,+avx512vl | FileCheck %s --check-prefixes=X64
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@a = global bfloat 0xR0000, align 2
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@b = global bfloat 0xR0000, align 2
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@c = global bfloat 0xR0000, align 2
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define float @bfloat_to_float() strictfp {
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; X86-LABEL: bfloat_to_float:
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; X86: # %bb.0:
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; X86-NEXT: subl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 16
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; X86-NEXT: movzwl a, %eax
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; X86-NEXT: movl %eax, (%esp)
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; X86-NEXT: calll __extendbfsf2
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; X86-NEXT: addl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 4
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; X86-NEXT: retl
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;
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; X64-LABEL: bfloat_to_float:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: .cfi_def_cfa_offset 16
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; X64-NEXT: movq a@GOTPCREL(%rip), %rax
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; X64-NEXT: movzwl (%rax), %edi
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; X64-NEXT: callq __extendbfsf2@PLT
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; X64-NEXT: popq %rax
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; X64-NEXT: .cfi_def_cfa_offset 8
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; X64-NEXT: retq
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%1 = load bfloat, ptr @a, align 2
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%2 = tail call float @llvm.experimental.constrained.fpext.f32.bfloat(bfloat %1, metadata !"fpexcept.strict") #0
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ret float %2
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}
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define double @bfloat_to_double() strictfp {
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; X86-LABEL: bfloat_to_double:
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; X86: # %bb.0:
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; X86-NEXT: subl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 16
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; X86-NEXT: movzwl a, %eax
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; X86-NEXT: movl %eax, (%esp)
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; X86-NEXT: calll __extendbfsf2
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; X86-NEXT: addl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 4
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; X86-NEXT: retl
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;
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; X64-LABEL: bfloat_to_double:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: .cfi_def_cfa_offset 16
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; X64-NEXT: movq a@GOTPCREL(%rip), %rax
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; X64-NEXT: movzwl (%rax), %edi
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; X64-NEXT: callq __extendbfsf2@PLT
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; X64-NEXT: vcvtss2sd %xmm0, %xmm0, %xmm0
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; X64-NEXT: popq %rax
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; X64-NEXT: .cfi_def_cfa_offset 8
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; X64-NEXT: retq
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%1 = load bfloat, ptr @a, align 2
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%2 = tail call double @llvm.experimental.constrained.fpext.f64.bfloat(bfloat %1, metadata !"fpexcept.strict") #0
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ret double %2
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}
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define void @float_to_bfloat(float %0) strictfp {
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; X86-LABEL: float_to_bfloat:
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; X86: # %bb.0:
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; X86-NEXT: subl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 16
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; X86-NEXT: flds {{[0-9]+}}(%esp)
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; X86-NEXT: fstps (%esp)
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; X86-NEXT: wait
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; X86-NEXT: calll __truncsfbf2
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; X86-NEXT: movw %ax, a
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; X86-NEXT: addl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 4
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; X86-NEXT: retl
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;
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; X64-LABEL: float_to_bfloat:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: .cfi_def_cfa_offset 16
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; X64-NEXT: callq __truncsfbf2@PLT
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; X64-NEXT: movq a@GOTPCREL(%rip), %rcx
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; X64-NEXT: movw %ax, (%rcx)
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; X64-NEXT: popq %rax
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; X64-NEXT: .cfi_def_cfa_offset 8
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; X64-NEXT: retq
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%2 = tail call bfloat @llvm.experimental.constrained.fptrunc.bf16.f32(float %0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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store bfloat %2, ptr @a, align 2
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ret void
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}
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define void @double_to_bfloat(double %0) strictfp {
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; X86-LABEL: double_to_bfloat:
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; X86: # %bb.0:
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; X86-NEXT: subl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 16
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; X86-NEXT: fldl {{[0-9]+}}(%esp)
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; X86-NEXT: fstpl (%esp)
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; X86-NEXT: wait
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; X86-NEXT: calll __truncdfbf2
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; X86-NEXT: movw %ax, a
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; X86-NEXT: addl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 4
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; X86-NEXT: retl
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;
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; X64-LABEL: double_to_bfloat:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: .cfi_def_cfa_offset 16
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; X64-NEXT: callq __truncdfbf2@PLT
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; X64-NEXT: movq a@GOTPCREL(%rip), %rcx
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; X64-NEXT: movw %ax, (%rcx)
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; X64-NEXT: popq %rax
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; X64-NEXT: .cfi_def_cfa_offset 8
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; X64-NEXT: retq
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%2 = tail call bfloat @llvm.experimental.constrained.fptrunc.bf16.f64(double %0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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store bfloat %2, ptr @a, align 2
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ret void
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}
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define void @add() strictfp {
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; X86-LABEL: add:
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; X86: # %bb.0:
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; X86-NEXT: subl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 16
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; X86-NEXT: movzwl a, %eax
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; X86-NEXT: movl %eax, (%esp)
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; X86-NEXT: calll __extendbfsf2
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; X86-NEXT: fstps {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
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; X86-NEXT: wait
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; X86-NEXT: movzwl b, %eax
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; X86-NEXT: movl %eax, (%esp)
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; X86-NEXT: calll __extendbfsf2
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; X86-NEXT: flds {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Reload
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; X86-NEXT: faddp %st, %st(1)
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; X86-NEXT: fstps (%esp)
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; X86-NEXT: wait
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; X86-NEXT: calll __truncsfbf2
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; X86-NEXT: movw %ax, c
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; X86-NEXT: addl $12, %esp
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; X86-NEXT: .cfi_def_cfa_offset 4
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; X86-NEXT: retl
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;
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; X64-LABEL: add:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: .cfi_def_cfa_offset 16
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; X64-NEXT: movq a@GOTPCREL(%rip), %rax
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; X64-NEXT: movzwl (%rax), %edi
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; X64-NEXT: callq __extendbfsf2@PLT
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; X64-NEXT: vmovss %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; X64-NEXT: movq b@GOTPCREL(%rip), %rax
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; X64-NEXT: movzwl (%rax), %edi
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; X64-NEXT: callq __extendbfsf2@PLT
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; X64-NEXT: vaddss {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 4-byte Folded Reload
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; X64-NEXT: callq __truncsfbf2@PLT
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; X64-NEXT: movq c@GOTPCREL(%rip), %rcx
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; X64-NEXT: movw %ax, (%rcx)
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; X64-NEXT: popq %rax
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; X64-NEXT: .cfi_def_cfa_offset 8
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; X64-NEXT: retq
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%1 = load bfloat, ptr @a, align 2
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%2 = tail call float @llvm.experimental.constrained.fpext.f32.bf16(bfloat %1, metadata !"fpexcept.strict") #0
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%3 = load bfloat, ptr @b, align 2
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%4 = tail call float @llvm.experimental.constrained.fpext.f32.bf16(bfloat %3, metadata !"fpexcept.strict") #0
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%5 = tail call float @llvm.experimental.constrained.fadd.f32(float %2, float %4, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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%6 = tail call bfloat @llvm.experimental.constrained.fptrunc.bf16.f32(float %5, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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store bfloat %6, ptr @c, align 2
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ret void
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}
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declare float @llvm.experimental.constrained.fpext.f32.bf16(bfloat, metadata)
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declare double @llvm.experimental.constrained.fpext.f64.bf16(bfloat, metadata)
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declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata)
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declare bfloat @llvm.experimental.constrained.fptrunc.bf16.f32(float, metadata, metadata)
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declare bfloat @llvm.experimental.constrained.fptrunc.bf16.f64(double, metadata, metadata)
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attributes #0 = { strictfp }
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