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ARM updating VST2 pseudo-lowering fixed vs. register update.

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rdar://10663487

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147876 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2012-01-10 21:11:12 +00:00
parent e4ad582729
commit f1f16c832f
4 changed files with 17 additions and 8 deletions
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9
test/CodeGen/ARM/vst2.ll
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@ -110,6 +110,15 @@ define void @vst2Qf(float* %A, <4 x float>* %B) nounwind {
ret void
}
define i8* @vst2update(i8* %out, <4 x i16>* %B) nounwind {
;CHECK: vst2update
;CHECK: vst2.16 {d16, d17}, [r0]!
%tmp1 = load <4 x i16>* %B
tail call void @llvm.arm.neon.vst2.v4i16(i8* %out, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 2)
%t5 = getelementptr inbounds i8* %out, i32 16
ret i8* %t5
}
declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>, i32) nounwind
declare void @llvm.arm.neon.vst2.v4i16(i8*, <4 x i16>, <4 x i16>, i32) nounwind
declare void @llvm.arm.neon.vst2.v2i32(i8*, <2 x i32>, <2 x i32>, i32) nounwind