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c499ecd1d1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206887 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.0 KiB
LLVM
32 lines
1.0 KiB
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck %s
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; not relevant for arm64: <1 x iN> isn't legal
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; This file tests the spill of FPR8/FPR16. The volatile loads/stores force the
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; allocator to keep the value live until it's needed.
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%bigtype_v1i8 = type [20 x <1 x i8>]
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define void @spill_fpr8(%bigtype_v1i8* %addr) {
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; CHECK-LABEL: spill_fpr8:
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; CHECK: 1-byte Folded Spill
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; CHECK: 1-byte Folded Reload
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%val1 = load volatile %bigtype_v1i8* %addr
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%val2 = load volatile %bigtype_v1i8* %addr
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store volatile %bigtype_v1i8 %val1, %bigtype_v1i8* %addr
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store volatile %bigtype_v1i8 %val2, %bigtype_v1i8* %addr
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ret void
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}
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%bigtype_v1i16 = type [20 x <1 x i16>]
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define void @spill_fpr16(%bigtype_v1i16* %addr) {
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; CHECK-LABEL: spill_fpr16:
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; CHECK: 2-byte Folded Spill
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; CHECK: 2-byte Folded Reload
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%val1 = load volatile %bigtype_v1i16* %addr
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%val2 = load volatile %bigtype_v1i16* %addr
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store volatile %bigtype_v1i16 %val1, %bigtype_v1i16* %addr
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store volatile %bigtype_v1i16 %val2, %bigtype_v1i16* %addr
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ret void
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}
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