50 lines
2.7 KiB
LLVM
50 lines
2.7 KiB
LLVM
; RUN: opt < %s -memcpyopt -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Verify that we don't combine nontemporal stores into memset calls.
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define void @nontemporal_stores_1(<4 x float>* nocapture %dst) {
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; CHECK-LABEL: @nontemporal_stores_1
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr2, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr3, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr4, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr5, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr6, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr7, align 16, !nontemporal !0
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; CHECK-NEXT: ret void
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entry:
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store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
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%ptr1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
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store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
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%ptr2 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 2
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store <4 x float> zeroinitializer, <4 x float>* %ptr2, align 16, !nontemporal !0
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%ptr3 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 3
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store <4 x float> zeroinitializer, <4 x float>* %ptr3, align 16, !nontemporal !0
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%ptr4 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 4
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store <4 x float> zeroinitializer, <4 x float>* %ptr4, align 16, !nontemporal !0
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%ptr5 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 5
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store <4 x float> zeroinitializer, <4 x float>* %ptr5, align 16, !nontemporal !0
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%ptr6 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 6
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store <4 x float> zeroinitializer, <4 x float>* %ptr6, align 16, !nontemporal !0
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%ptr7 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 7
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store <4 x float> zeroinitializer, <4 x float>* %ptr7, align 16, !nontemporal !0
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ret void
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}
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define void @nontemporal_stores_2(<4 x float>* nocapture %dst) {
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; CHECK-LABEL: @nontemporal_stores_2
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
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; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
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; CHECK-NEXT: ret void
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entry:
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store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
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%ptr1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
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store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
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ret void
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}
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!0 = !{i32 1}
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