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47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx | FileCheck %s --check-prefix=SANDYB
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx-i | FileCheck %s --check-prefix=SANDYB
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=btver2 | FileCheck %s --check-prefix=BTVER2
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 | FileCheck %s --check-prefix=HASWELL
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; On Sandy Bridge or Ivy Bridge, we should not generate an unaligned 32-byte load
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; because that is slower than two 16-byte loads.
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; Other AVX-capable chips don't have that problem.
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define <8 x float> @load32bytes(<8 x float>* %Ap) {
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; CHECK-LABEL: load32bytes
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; SANDYB: vmovaps
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; SANDYB: vinsertf128
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; SANDYB: retq
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; BTVER2: vmovups
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; BTVER2: retq
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; HASWELL: vmovups
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; HASWELL: retq
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%A = load <8 x float>* %Ap, align 16
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ret <8 x float> %A
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}
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; On Sandy Bridge or Ivy Bridge, we should not generate an unaligned 32-byte store
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; because that is slowerthan two 16-byte stores.
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; Other AVX-capable chips don't have that problem.
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define void @store32bytes(<8 x float> %A, <8 x float>* %P) {
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; CHECK-LABEL: store32bytes
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; SANDYB: vextractf128
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; SANDYB: vmovaps
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; SANDYB: retq
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; BTVER2: vmovups
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; BTVER2: retq
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; HASWELL: vmovups
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; HASWELL: retq
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store <8 x float> %A, <8 x float>* %P, align 16
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ret void
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}
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