xref: /llvm-project/llvm/test/CodeGen/Hexagon/postinc-float.ll (revision a96f691985c8546e826012fdc3481c88f034a194)
1; RUN: llc -mtriple=hexagon-unknown-elf < %s | FileCheck %s
2
3; CHECK-LABEL: ldf
4; CHECK: memw(r{{[0-9]+}}++#4)
5; CHECK: memw(r{{[0-9]+}}++#4)
6define float @ldf(ptr nocapture readonly %x, ptr nocapture readonly %y) local_unnamed_addr #0 {
7entry:
8  br label %for.body
9
10for.body:
11  %arrayidx.phi = phi ptr [ %x, %entry ], [ %arrayidx.inc, %for.body ]
12  %arrayidx1.phi = phi ptr [ %y, %entry ], [ %arrayidx1.inc, %for.body ]
13  %i.09 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
14  %acc.08 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
15  %0 = load float, ptr %arrayidx.phi, align 4
16  %1 = load float, ptr %arrayidx1.phi, align 4
17  %mul = fmul contract float %0, %1
18  %add = fadd contract float %acc.08, %mul
19  %inc = add nuw nsw i32 %i.09, 1
20  %exitcond = icmp eq i32 %inc, 1024
21  %arrayidx.inc = getelementptr float, ptr %arrayidx.phi, i32 1
22  %arrayidx1.inc = getelementptr float, ptr %arrayidx1.phi, i32 1
23  br i1 %exitcond, label %for.end, label %for.body
24
25for.end:
26  ret float %add
27}
28
29; CHECK-LABEL: ldd
30; CHECK: memd(r{{[0-9]+}}++#8)
31; CHECK: memd(r{{[0-9]+}}++#8)
32define double @ldd(ptr nocapture readonly %x, ptr nocapture readonly %y) local_unnamed_addr #0 {
33entry:
34  br label %for.body
35
36for.body:
37  %arrayidx.phi = phi ptr [ %x, %entry ], [ %arrayidx.inc, %for.body ]
38  %arrayidx1.phi = phi ptr [ %y, %entry ], [ %arrayidx1.inc, %for.body ]
39  %i.09 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
40  %acc.08 = phi double [ 0.000000e+00, %entry ], [ %add, %for.body ]
41  %0 = load double, ptr %arrayidx.phi, align 8
42  %1 = load double, ptr %arrayidx1.phi, align 8
43  %mul = fmul contract double %0, %1
44  %add = fadd contract double %acc.08, %mul
45  %inc = add nuw nsw i32 %i.09, 1
46  %exitcond = icmp eq i32 %inc, 1024
47  %arrayidx.inc = getelementptr double, ptr %arrayidx.phi, i32 1
48  %arrayidx1.inc = getelementptr double, ptr %arrayidx1.phi, i32 1
49  br i1 %exitcond, label %for.end, label %for.body
50
51for.end:
52  ret double %add
53}
54
55; CHECK-LABEL: stf
56; CHECK: memw(r{{[0-9]+}}++#4)
57define ptr @stf(ptr returned %p) local_unnamed_addr #0 {
58entry:
59  br label %for.body
60
61for.body:
62  %arrayidx.phi = phi ptr [ %arrayidx.inc, %for.body ], [ %p, %entry ]
63  %call = tail call float @foof() #2
64  store float %call, ptr %arrayidx.phi, align 8
65  %arrayidx.inc = getelementptr float, ptr %arrayidx.phi, i32 1
66  br label %for.body
67}
68
69declare float @foof() local_unnamed_addr #1
70
71; CHECK-LABEL: std
72; CHECK: memd(r{{[0-9]+}}++#8)
73define ptr @std(ptr returned %p) local_unnamed_addr #0 {
74entry:
75  br label %for.body
76
77for.body:
78  %arrayidx.phi = phi ptr [ %arrayidx.inc, %for.body ], [ %p, %entry ]
79  %call = tail call double @food() #2
80  store double %call, ptr %arrayidx.phi, align 8
81  %arrayidx.inc = getelementptr double, ptr %arrayidx.phi, i32 1
82  br label %for.body
83}
84
85declare double @food() local_unnamed_addr #1
86
87