forked from OSchip/llvm-project
84 lines
2.6 KiB
LLVM
84 lines
2.6 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx512fp16 < %s | FileCheck %s
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; Verify that we're folding the load into the math instruction.
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; This pattern is generated out of the simplest intrinsics usage:
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; _mm_add_ss(a, _mm_load_ss(b));
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define <8 x half> @addsh(<8 x half> %va, half* %pb) {
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; CHECK-LABEL: addsh:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vaddsh (%rdi), %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a = extractelement <8 x half> %va, i32 0
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%b = load half, half* %pb
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%r = fadd half %a, %b
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%vr = insertelement <8 x half> %va, half %r, i32 0
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ret <8 x half> %vr
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}
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define <8 x half> @subsh(<8 x half> %va, half* %pb) {
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; CHECK-LABEL: subsh:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vsubsh (%rdi), %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a = extractelement <8 x half> %va, i32 0
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%b = load half, half* %pb
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%r = fsub half %a, %b
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%vr = insertelement <8 x half> %va, half %r, i32 0
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ret <8 x half> %vr
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}
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define <8 x half> @mulsh(<8 x half> %va, half* %pb) {
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; CHECK-LABEL: mulsh:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vmulsh (%rdi), %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a = extractelement <8 x half> %va, i32 0
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%b = load half, half* %pb
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%r = fmul half %a, %b
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%vr = insertelement <8 x half> %va, half %r, i32 0
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ret <8 x half> %vr
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}
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define <8 x half> @divsh(<8 x half> %va, half* %pb) {
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; CHECK-LABEL: divsh:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vdivsh (%rdi), %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a = extractelement <8 x half> %va, i32 0
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%b = load half, half* %pb
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%r = fdiv half %a, %b
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%vr = insertelement <8 x half> %va, half %r, i32 0
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ret <8 x half> %vr
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}
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define <8 x half> @minsh(<8 x half> %va, half* %pb) {
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; CHECK-LABEL: minsh:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vminsh (%rdi), %xmm0, %xmm1
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; CHECK-NEXT: vmovsh %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a = extractelement <8 x half> %va, i32 0
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%b = load half, half* %pb
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%r = call nnan half @llvm.minnum.f16(half %a, half %b) readnone
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%vr = insertelement <8 x half> %va, half %r, i32 0
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ret <8 x half> %vr
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}
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define <8 x half> @maxsh(<8 x half> %va, half* %pb) {
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; CHECK-LABEL: maxsh:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vminsh (%rdi), %xmm0, %xmm1
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; CHECK-NEXT: vmovsh %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a = extractelement <8 x half> %va, i32 0
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%b = load half, half* %pb
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%r = call nnan half @llvm.minnum.f16(half %a, half %b) readnone
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%vr = insertelement <8 x half> %va, half %r, i32 0
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ret <8 x half> %vr
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}
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declare half @llvm.minnum.f16(half, half)
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declare half @llvm.maxnum.f16(half, half)
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