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Don't produce a vmovntdq if we don't have AVX support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131330 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1900,7 +1900,7 @@ let AddedComplexity = 400 in { // Prefer non-temporal versions
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addr:$dst)]>, VEX;
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def : Pat<(alignednontemporalstore (v2i64 VR128:$src), addr:$dst),
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(VMOVNTDQmr addr:$dst, VR128:$src)>;
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(VMOVNTDQmr addr:$dst, VR128:$src)>, Requires<[HasAVX]>;
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def VMOVNTPSYmr : VPSI<0x2B, MRMDestMem, (outs),
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(ins f256mem:$dst, VR256:$src),
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12
test/CodeGen/X86/movntdq-no-avx.ll
Normal file
12
test/CodeGen/X86/movntdq-no-avx.ll
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@ -0,0 +1,12 @@
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
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; Test that we produce a movntdq, not a vmovntdq
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; CHECK-NOT: vmovntdq
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define void @test(<2 x i64>* nocapture %a, <2 x i64> %b) nounwind optsize {
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entry:
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store <2 x i64> %b, <2 x i64>* %a, align 16, !nontemporal !0
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ret void
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}
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!0 = metadata !{i32 1}
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