derek.holloway
7502bf64a4
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147 lines
8.3 KiB
LLVM
147 lines
8.3 KiB
LLVM
; Intel chips with slow unaligned memory accesses
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium3 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SCALAR
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium3m 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SCALAR
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium-m 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium4 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium4m 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=yonah 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=prescott 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=nocona 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=core2 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=penryn 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bonnell 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; Intel chips with fast unaligned memory accesses
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=nehalem 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=westmere 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=sandybridge 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX128
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=ivybridge 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX128
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=haswell 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=broadwell 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=knl 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX512
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=skylake-avx512 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; AMD chips with slow unaligned memory accesses
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon-4 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SCALAR
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon-xp 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SCALAR
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=k8 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=opteron 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon64 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon-fx 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=k8-sse3 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=opteron-sse3 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon64-sse3 2>&1 | FileCheck %s --check-prefixes=SLOW,SLOW-SSE
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; AMD chips with fast unaligned memory accesses
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=amdfam10 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=barcelona 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=btver1 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=btver2 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver1 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver2 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver3 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver4 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=znver1 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=znver2 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=znver3 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX256
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=znver4 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX512
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=znver5 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX512
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=znver6 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-AVX512
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; Other chips with slow unaligned memory accesses
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=c3-2 2>&1 | FileCheck %s --check-prefixes=SLOW
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; Verify that the slow/fast unaligned memory attribute is set correctly for each CPU model.
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; Slow chips use 4-byte stores. Fast chips with SSE or later use something other than 4-byte stores.
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; Chips that don't have SSE use 4-byte stores either way, so they're not tested.
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; Also verify that SSE4.2 or SSE4a imply fast unaligned accesses.
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse4.2 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse4a 2>&1 | FileCheck %s --check-prefixes=FAST,FAST-SSE
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; SLOW-NOT: not a recognized processor
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; FAST-NOT: not a recognized processor
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define void @store_zeros(ptr %a) {
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; SLOW-SCALAR-LABEL: store_zeros:
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; SLOW-SCALAR: # %bb.0:
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; SLOW-SCALAR-NEXT: movl {{[0-9]+}}(%esp), %eax
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NEXT: movl $0
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; SLOW-SCALAR-NOT: movl
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;
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; SLOW-SSE-LABEL: store_zeros:
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; SLOW-SSE: # %bb.0:
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; SLOW-SSE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; SLOW-SSE-NEXT: xorps %xmm0, %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NEXT: movsd %xmm0
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; SLOW-SSE-NOT: movsd
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;
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; FAST-SSE-LABEL: store_zeros:
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; FAST-SSE: # %bb.0:
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; FAST-SSE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; FAST-SSE-NEXT: xorps %xmm0, %xmm0
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; FAST-SSE-NEXT: movups %xmm0
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; FAST-SSE-NEXT: movups %xmm0
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; FAST-SSE-NEXT: movups %xmm0
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; FAST-SSE-NEXT: movups %xmm0
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; FAST-SSE-NOT: movups
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;
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; FAST-AVX128-LABEL: store_zeros:
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; FAST-AVX128: # %bb.0:
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; FAST-AVX128-NEXT: movl {{[0-9]+}}(%esp), %eax
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; FAST-AVX128-NEXT: vxorps %xmm0, %xmm0, %xmm0
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; FAST-AVX128-NEXT: vmovups %xmm0
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; FAST-AVX128-NEXT: vmovups %xmm0
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; FAST-AVX128-NEXT: vmovups %xmm0
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; FAST-AVX128-NEXT: vmovups %xmm0
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; FAST-AVX128-NOT: vmovups
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;
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; FAST-AVX256-LABEL: store_zeros:
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; FAST-AVX256: # %bb.0:
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; FAST-AVX256-NEXT: movl {{[0-9]+}}(%esp), %eax
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; FAST-AVX256-NEXT: vxorps %xmm0, %xmm0, %xmm0
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; FAST-AVX256-NEXT: vmovups %ymm0
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; FAST-AVX256-NEXT: vmovups %ymm0
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; FAST-AVX256-NOT: vmovups
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;
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; FAST-AVX512-LABEL: store_zeros:
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; FAST-AVX512: # %bb.0:
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; FAST-AVX512-NEXT: movl {{[0-9]+}}(%esp), %eax
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; FAST-AVX512-NEXT: vxorps %xmm0, %xmm0, %xmm0
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; FAST-AVX512-NEXT: vmovups %zmm0, (%eax)
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; FAST-AVX512-NOT: vmovups
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call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 64, i1 false)
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ret void
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}
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declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1)
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