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1; RUN: llc -verify-machineinstrs -O2 -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s
2
3; Function Attrs: norecurse nounwind
4define void @test1(float* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readnone %c, i32 signext %n) #0 {
5
6; CHECK-LABEL: test1
7
8entry:
9  %idxprom = sext i32 %n to i64
10  %arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
11  %0 = load i32, i32* %arrayidx, align 4, !tbaa !1
12  %conv = sitofp i32 %0 to float
13  %mul = fmul float %conv, 0x4002916880000000
14  %arrayidx2 = getelementptr inbounds float, float* %a, i64 %idxprom
15  store float %mul, float* %arrayidx2, align 4, !tbaa !5
16  ret void
17
18; CHECK-NOT: mtvsrwa
19; CHECK-NOT: mtfprwa
20; CHECK: lfiwax [[REG:[0-9]+]], {{.*}}
21; CHECK-NOT: mtvsrwa
22; CHECK-NOT: mtfprwa
23; CHECK: xscvsxdsp {{.*}}, [[REG]]
24; CHECK-NOT: mtvsrwa
25; CHECK-NOT: mtfprwa
26; CHECK: blr
27
28}
29
30; Function Attrs: norecurse nounwind readonly
31define float @test2(i32* nocapture readonly %b) #0 {
32
33; CHECK-LABEL: test2
34
35entry:
36  %0 = load i32, i32* %b, align 4, !tbaa !1
37  %conv = sitofp i32 %0 to float
38  %mul = fmul float %conv, 0x40030A3D80000000
39  ret float %mul
40
41; CHECK-NOT: mtvsrwa
42; CHECK-NOT: mtfprwa
43; CHECK: lfiwax [[REG:[0-9]+]], {{.*}}
44; CHECK-NOT: mtvsrwa
45; CHECK-NOT: mtfprwa
46; CHECK: xscvsxdsp {{.*}}, [[REG]]
47; CHECK-NOT: mtvsrwa
48; CHECK-NOT: mtfprwa
49; CHECK: blr
50
51}
52
53; Function Attrs: norecurse nounwind
54define void @test3(float* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* noalias nocapture %c, i32 signext %n) #0 {
55
56; CHECK-LABEL: test3
57
58entry:
59  %idxprom = sext i32 %n to i64
60  %arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
61  %0 = load i32, i32* %arrayidx, align 4, !tbaa !1
62  %conv = sitofp i32 %0 to float
63  %mul = fmul float %conv, 0x4002916880000000
64  %arrayidx2 = getelementptr inbounds float, float* %a, i64 %idxprom
65  store float %mul, float* %arrayidx2, align 4, !tbaa !5
66  %arrayidx6 = getelementptr inbounds i32, i32* %c, i64 %idxprom
67  %1 = load i32, i32* %arrayidx6, align 4, !tbaa !1
68  %add = add nsw i32 %1, %0
69  store i32 %add, i32* %arrayidx6, align 4, !tbaa !1
70  ret void
71
72; CHECK: mtvsrwa
73; CHECK: blr
74
75}
76
77!0 = !{!"clang version 3.9.0 (http://llvm.org/git/clang.git b88a395e7ba26c0fb96cd99a2a004d76f4f41d0c) (http://llvm.org/git/llvm.git 1ac3fbac0f5b037c17c0b0f9d271c32c4d7ca1b5)"}
78!1 = !{!2, !2, i64 0}
79!2 = !{!"int", !3, i64 0}
80!3 = !{!"omnipotent char", !4, i64 0}
81!4 = !{!"Simple C++ TBAA"}
82!5 = !{!6, !6, i64 0}
83!6 = !{!"float", !3, i64 0}
84