xref: /llvm-project/llvm/test/Transforms/MemCpyOpt/nontemporal.ll (revision a11faeed446882a81e79d780125d93e7199df645) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=memcpyopt -S -verify-memoryssa | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5
6; Verify that we don't combine nontemporal stores into memset calls.
7
8define void @nontemporal_stores_1(ptr nocapture %dst) {
9; CHECK-LABEL: @nontemporal_stores_1(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[DST:%.*]], align 16, !nontemporal !0
12; CHECK-NEXT:    [[PTR1:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 1
13; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR1]], align 16, !nontemporal !0
14; CHECK-NEXT:    [[PTR2:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 2
15; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR2]], align 16, !nontemporal !0
16; CHECK-NEXT:    [[PTR3:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 3
17; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR3]], align 16, !nontemporal !0
18; CHECK-NEXT:    [[PTR4:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 4
19; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR4]], align 16, !nontemporal !0
20; CHECK-NEXT:    [[PTR5:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 5
21; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR5]], align 16, !nontemporal !0
22; CHECK-NEXT:    [[PTR6:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 6
23; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR6]], align 16, !nontemporal !0
24; CHECK-NEXT:    [[PTR7:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 7
25; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR7]], align 16, !nontemporal !0
26; CHECK-NEXT:    ret void
27;
28entry:
29  store <4 x float> zeroinitializer, ptr %dst, align 16, !nontemporal !0
30  %ptr1 = getelementptr inbounds <4 x float>, ptr %dst, i64 1
31  store <4 x float> zeroinitializer, ptr %ptr1, align 16, !nontemporal !0
32  %ptr2 = getelementptr inbounds <4 x float>, ptr %dst, i64 2
33  store <4 x float> zeroinitializer, ptr %ptr2, align 16, !nontemporal !0
34  %ptr3 = getelementptr inbounds <4 x float>, ptr %dst, i64 3
35  store <4 x float> zeroinitializer, ptr %ptr3, align 16, !nontemporal !0
36  %ptr4 = getelementptr inbounds <4 x float>, ptr %dst, i64 4
37  store <4 x float> zeroinitializer, ptr %ptr4, align 16, !nontemporal !0
38  %ptr5 = getelementptr inbounds <4 x float>, ptr %dst, i64 5
39  store <4 x float> zeroinitializer, ptr %ptr5, align 16, !nontemporal !0
40  %ptr6 = getelementptr inbounds <4 x float>, ptr %dst, i64 6
41  store <4 x float> zeroinitializer, ptr %ptr6, align 16, !nontemporal !0
42  %ptr7 = getelementptr inbounds <4 x float>, ptr %dst, i64 7
43  store <4 x float> zeroinitializer, ptr %ptr7, align 16, !nontemporal !0
44  ret void
45}
46
47define void @nontemporal_stores_2(ptr nocapture %dst) {
48; CHECK-LABEL: @nontemporal_stores_2(
49; CHECK-NEXT:  entry:
50; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[DST:%.*]], align 16, !nontemporal !0
51; CHECK-NEXT:    [[PTR1:%.*]] = getelementptr inbounds <4 x float>, ptr [[DST]], i64 1
52; CHECK-NEXT:    store <4 x float> zeroinitializer, ptr [[PTR1]], align 16, !nontemporal !0
53; CHECK-NEXT:    ret void
54;
55entry:
56  store <4 x float> zeroinitializer, ptr %dst, align 16, !nontemporal !0
57  %ptr1 = getelementptr inbounds <4 x float>, ptr %dst, i64 1
58  store <4 x float> zeroinitializer, ptr %ptr1, align 16, !nontemporal !0
59  ret void
60}
61
62!0 = !{i32 1}
63