24 lines
670 B
LLVM
24 lines
670 B
LLVM
; RUN: llc < %s -march=x86 -mcpu=corei7 -mattr=+avx2 | FileCheck %s
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declare x86_fastcallcc i64 @barrier()
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;CHECK-LABEL: bcast_fold:
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;CHECK: vmov{{[au]}}ps %xmm{{[0-9]+}}, [[SPILLED:[^\)]+\)]]
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;CHECK: barrier
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;CHECK: vbroadcastss [[SPILLED]], %ymm0
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;CHECK: ret
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define <8 x float> @bcast_fold( float* %A) {
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BB:
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%A0 = load float, float* %A
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%tt3 = call x86_fastcallcc i64 @barrier()
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br i1 undef, label %work, label %exit
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work:
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%A1 = insertelement <8 x float> undef, float %A0, i32 0
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%A2 = shufflevector <8 x float> %A1, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>
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ret <8 x float> %A2
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exit:
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ret <8 x float> undef
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}
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