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63b1eba065
SelectionDAG::getConstantPool will automatically determine an appropriate alignment if one is not specified. It does this by querying the type's preferred alignment. This can end up creating quite a lot of padding when the preferred alignment for vectors is 128. In optimize-for-size mode, it makes sense to instead query the ABI type alignment which is often smaller and causes less padding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284381 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
545 B
LLVM
20 lines
545 B
LLVM
; RUN: llc < %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv7-arm-none-eabi"
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; CHECK-LABEL: f:
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; CHECK: vld1.64 {{.*}}, [r1:128]
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; CHECK: .p2align 4
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define void @f(<4 x i32>* %p) {
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store <4 x i32> <i32 -1, i32 0, i32 0, i32 -1>, <4 x i32>* %p, align 4
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ret void
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}
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; CHECK-LABEL: f_optsize:
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; CHECK: vld1.64 {{.*}}, [r1]
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; CHECK: .p2align 3
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define void @f_optsize(<4 x i32>* %p) optsize {
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store <4 x i32> <i32 -1, i32 0, i32 0, i32 -1>, <4 x i32>* %p, align 4
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ret void
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}
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