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24 lines
868 B
LLVM
24 lines
868 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-pc-linux-gnu -mattr=+avx < %s | FileCheck %s
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@in = global <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>, align 32
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@out = global <2 x i64> zeroinitializer, align 16
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define i32 @_Z3foov() {
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; CHECK-LABEL: _Z3foov:
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; CHECK: # BB#0: # %entry
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; CHECK-NEXT: vmovdqa {{.*}}(%rip), %ymm0
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; CHECK-NEXT: vmovq {{.*#+}} xmm0 = xmm0[0],zero
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; CHECK-NEXT: vmovdqa %xmm0, {{.*}}(%rip)
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: vzeroupper
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; CHECK-NEXT: retq
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entry:
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%0 = load <4 x i64>, <4 x i64>* @in, align 32
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%vecext = extractelement <4 x i64> %0, i32 0
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%vecinit = insertelement <2 x i64> undef, i64 %vecext, i32 0
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%vecinit1 = insertelement <2 x i64> %vecinit, i64 0, i32 1
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store <2 x i64> %vecinit1, <2 x i64>* @out, align 16
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ret i32 0
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}
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