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aec9f382dd
Allow the folding of vbroadcastRR to vbroadcastRM, where the memory operand is a spill slot. PR12782. Together with Michael Kuperstein <michael.m.kuperstein@intel.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160230 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
605 B
LLVM
22 lines
605 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: bcast_fold
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;CHECK: vbroadcastss -24(%ebp), %ymm0 # 16-byte Folded Reload
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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* %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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