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-rw-r--r--test/Transforms/MemCpyOpt/nontemporal.ll49
1 files changed, 49 insertions, 0 deletions
diff --git a/test/Transforms/MemCpyOpt/nontemporal.ll b/test/Transforms/MemCpyOpt/nontemporal.ll
new file mode 100644
index 000000000000..d9dafcc7b816
--- /dev/null
+++ b/test/Transforms/MemCpyOpt/nontemporal.ll
@@ -0,0 +1,49 @@
+; RUN: opt < %s -memcpyopt -S | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+; Verify that we don't combine nontemporal stores into memset calls.
+
+define void @nontemporal_stores_1(<4 x float>* nocapture %dst) {
+; CHECK-LABEL: @nontemporal_stores_1
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr2, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr3, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr4, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr5, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr6, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr7, align 16, !nontemporal !0
+; CHECK-NEXT: ret void
+entry:
+ store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
+ %ptr1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
+ store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
+ %ptr2 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 2
+ store <4 x float> zeroinitializer, <4 x float>* %ptr2, align 16, !nontemporal !0
+ %ptr3 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 3
+ store <4 x float> zeroinitializer, <4 x float>* %ptr3, align 16, !nontemporal !0
+ %ptr4 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 4
+ store <4 x float> zeroinitializer, <4 x float>* %ptr4, align 16, !nontemporal !0
+ %ptr5 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 5
+ store <4 x float> zeroinitializer, <4 x float>* %ptr5, align 16, !nontemporal !0
+ %ptr6 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 6
+ store <4 x float> zeroinitializer, <4 x float>* %ptr6, align 16, !nontemporal !0
+ %ptr7 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 7
+ store <4 x float> zeroinitializer, <4 x float>* %ptr7, align 16, !nontemporal !0
+ ret void
+}
+
+define void @nontemporal_stores_2(<4 x float>* nocapture %dst) {
+; CHECK-LABEL: @nontemporal_stores_2
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
+; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
+; CHECK-NEXT: ret void
+entry:
+ store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
+ %ptr1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
+ store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
+ ret void
+}
+
+!0 = !{i32 1}