36 lines
1.7 KiB
LLVM
36 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-linux -opaque-pointers -mcpu=ivybridge -mattr=+avx2 | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-linux -opaque-pointers -mcpu=haswell | FileCheck %s
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define <2 x i64> @PR55158(ptr %0) {
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; CHECK-LABEL: PR55158:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vpxor %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: vphsubw 64(%rdi), %xmm0, %xmm0
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; CHECK-NEXT: retq
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%2 = load <16 x i8>, ptr %0, align 16
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%3 = getelementptr inbounds i32, ptr %0, i64 16
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%4 = load <8 x i16>, ptr %3, align 16
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%5 = getelementptr inbounds i32, ptr %0, i64 32
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%6 = load <4 x i32>, ptr %5, align 16
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%7 = shufflevector <16 x i8> %2, <16 x i8> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%8 = sext <4 x i8> %7 to <4 x i32>
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%9 = icmp sgt <4 x i32> %6, %8
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%10 = sext <4 x i1> %9 to <4 x i32>
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%11 = tail call <8 x i16> @llvm.x86.ssse3.phsub.w.128(<8 x i16> %4, <8 x i16> %4)
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%12 = bitcast <8 x i16> %11 to <2 x i64>
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%13 = shufflevector <4 x i32> %10, <4 x i32> poison, <2 x i32> <i32 0, i32 1>
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%14 = zext <2 x i32> %13 to <2 x i64>
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%15 = bitcast <8 x i16> %11 to <16 x i8>
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%16 = icmp ne <16 x i8> %15, zeroinitializer
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%17 = sext <16 x i1> %16 to <16 x i8>
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%18 = shufflevector <16 x i8> %17, <16 x i8> poison, <2 x i32> <i32 0, i32 1>
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%19 = zext <2 x i8> %18 to <2 x i64>
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%20 = insertelement <2 x i64> %19, i64 0, i64 1
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%21 = tail call <2 x i64> @llvm.x86.avx2.psrlv.q(<2 x i64> %20, <2 x i64> %14)
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%22 = shufflevector <2 x i64> %21, <2 x i64> %12, <2 x i32> <i32 1, i32 3>
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ret <2 x i64> %22
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}
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declare <8 x i16> @llvm.x86.ssse3.phsub.w.128(<8 x i16>, <8 x i16>)
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declare <2 x i64> @llvm.x86.avx2.psrlv.q(<2 x i64>, <2 x i64>)
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