forked from OSchip/llvm-project
158 lines
5.0 KiB
LLVM
158 lines
5.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=-avx512fp16 | FileCheck %s -check-prefix=LIBCALL
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx512fp16 | FileCheck %s -check-prefix=FP16
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define void @test1(float %src, i16* %dest) {
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; LIBCALL-LABEL: test1:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: pushq %rbx
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; LIBCALL-NEXT: .cfi_def_cfa_offset 16
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; LIBCALL-NEXT: .cfi_offset %rbx, -16
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; LIBCALL-NEXT: movq %rdi, %rbx
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; LIBCALL-NEXT: callq __gnu_f2h_ieee@PLT
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; LIBCALL-NEXT: movw %ax, (%rbx)
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; LIBCALL-NEXT: popq %rbx
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; LIBCALL-NEXT: .cfi_def_cfa_offset 8
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; LIBCALL-NEXT: retq
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;
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; FP16-LABEL: test1:
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; FP16: # %bb.0:
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; FP16-NEXT: vcvtss2sh %xmm0, %xmm0, %xmm0
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; FP16-NEXT: vmovsh %xmm0, (%rdi)
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; FP16-NEXT: retq
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%1 = tail call i16 @llvm.convert.to.fp16.f32(float %src)
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store i16 %1, i16* %dest, align 2
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ret void
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}
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define float @test2(i16* nocapture %src) {
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; LIBCALL-LABEL: test2:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: movzwl (%rdi), %edi
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; LIBCALL-NEXT: jmp __gnu_h2f_ieee@PLT # TAILCALL
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;
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; FP16-LABEL: test2:
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; FP16: # %bb.0:
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; FP16-NEXT: vmovsh (%rdi), %xmm0
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; FP16-NEXT: vcvtsh2ss %xmm0, %xmm0, %xmm0
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; FP16-NEXT: retq
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%1 = load i16, i16* %src, align 2
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%2 = tail call float @llvm.convert.from.fp16.f32(i16 %1)
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ret float %2
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}
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define float @test3(float %src) nounwind uwtable readnone {
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; LIBCALL-LABEL: test3:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: pushq %rax
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; LIBCALL-NEXT: .cfi_def_cfa_offset 16
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; LIBCALL-NEXT: callq __gnu_f2h_ieee@PLT
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; LIBCALL-NEXT: movzwl %ax, %edi
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; LIBCALL-NEXT: popq %rax
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; LIBCALL-NEXT: .cfi_def_cfa_offset 8
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; LIBCALL-NEXT: jmp __gnu_h2f_ieee@PLT # TAILCALL
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;
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; FP16-LABEL: test3:
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; FP16: # %bb.0:
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; FP16-NEXT: vcvtss2sh %xmm0, %xmm0, %xmm0
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; FP16-NEXT: vcvtsh2ss %xmm0, %xmm0, %xmm0
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; FP16-NEXT: retq
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%1 = tail call i16 @llvm.convert.to.fp16.f32(float %src)
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%2 = tail call float @llvm.convert.from.fp16.f32(i16 %1)
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ret float %2
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}
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; FIXME: Should it be __extendhfdf2?
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define double @test4(i16* nocapture %src) {
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; LIBCALL-LABEL: test4:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: pushq %rax
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; LIBCALL-NEXT: .cfi_def_cfa_offset 16
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; LIBCALL-NEXT: movzwl (%rdi), %edi
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; LIBCALL-NEXT: callq __gnu_h2f_ieee@PLT
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; LIBCALL-NEXT: cvtss2sd %xmm0, %xmm0
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; LIBCALL-NEXT: popq %rax
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; LIBCALL-NEXT: .cfi_def_cfa_offset 8
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; LIBCALL-NEXT: retq
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;
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; FP16-LABEL: test4:
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; FP16: # %bb.0:
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; FP16-NEXT: vmovsh (%rdi), %xmm0
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; FP16-NEXT: vcvtsh2sd %xmm0, %xmm0, %xmm0
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; FP16-NEXT: retq
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%1 = load i16, i16* %src, align 2
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%2 = tail call double @llvm.convert.from.fp16.f64(i16 %1)
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ret double %2
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}
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define i16 @test5(double %src) {
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; LIBCALL-LABEL: test5:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: jmp __truncdfhf2@PLT # TAILCALL
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;
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; FP16-LABEL: test5:
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; FP16: # %bb.0:
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; FP16-NEXT: vcvtsd2sh %xmm0, %xmm0, %xmm0
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; FP16-NEXT: vmovw %xmm0, %eax
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; FP16-NEXT: # kill: def $ax killed $ax killed $eax
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; FP16-NEXT: retq
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%val = tail call i16 @llvm.convert.to.fp16.f64(double %src)
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ret i16 %val
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}
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; FIXME: Should it be __extendhfxf2?
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define x86_fp80 @test6(i16* nocapture %src) {
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; LIBCALL-LABEL: test6:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: pushq %rax
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; LIBCALL-NEXT: .cfi_def_cfa_offset 16
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; LIBCALL-NEXT: movzwl (%rdi), %edi
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; LIBCALL-NEXT: callq __gnu_h2f_ieee@PLT
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; LIBCALL-NEXT: movss %xmm0, {{[0-9]+}}(%rsp)
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; LIBCALL-NEXT: flds {{[0-9]+}}(%rsp)
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; LIBCALL-NEXT: popq %rax
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; LIBCALL-NEXT: .cfi_def_cfa_offset 8
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; LIBCALL-NEXT: retq
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;
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; FP16-LABEL: test6:
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; FP16: # %bb.0:
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; FP16-NEXT: pushq %rax
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; FP16-NEXT: .cfi_def_cfa_offset 16
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; FP16-NEXT: vmovsh (%rdi), %xmm0
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; FP16-NEXT: callq __extendhfxf2@PLT
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; FP16-NEXT: popq %rax
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; FP16-NEXT: .cfi_def_cfa_offset 8
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; FP16-NEXT: retq
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%1 = load i16, i16* %src, align 2
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%2 = tail call x86_fp80 @llvm.convert.from.fp16.f80(i16 %1)
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ret x86_fp80 %2
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}
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define i16 @test7(x86_fp80 %src) {
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; LIBCALL-LABEL: test7:
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; LIBCALL: # %bb.0:
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; LIBCALL-NEXT: jmp __truncxfhf2@PLT # TAILCALL
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;
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; FP16-LABEL: test7:
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; FP16: # %bb.0:
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; FP16-NEXT: subq $24, %rsp
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; FP16-NEXT: .cfi_def_cfa_offset 32
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; FP16-NEXT: fldt {{[0-9]+}}(%rsp)
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; FP16-NEXT: fstpt (%rsp)
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; FP16-NEXT: callq __truncxfhf2@PLT
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; FP16-NEXT: vmovw %xmm0, %eax
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; FP16-NEXT: # kill: def $ax killed $ax killed $eax
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; FP16-NEXT: addq $24, %rsp
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; FP16-NEXT: .cfi_def_cfa_offset 8
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; FP16-NEXT: retq
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%val = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %src)
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ret i16 %val
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}
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declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone
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declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
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declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone
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declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone
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declare x86_fp80 @llvm.convert.from.fp16.f80(i16) nounwind readnone
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declare i16 @llvm.convert.to.fp16.f80(x86_fp80) nounwind readnone
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