source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/BPF/sanity.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 3.1 KB
Line 
1; RUN: llc < %s -march=bpfel | FileCheck %s
2
3@foo_printf.fmt = private unnamed_addr constant [9 x i8] c"hello  \0A\00", align 1
4
5; Function Attrs: nounwind readnone uwtable
6define i32 @foo_int(i32 %a, i32 %b) #0 {
7  %1 = add nsw i32 %b, %a
8  ret i32 %1
9; CHECK-LABEL: foo_int:
10; CHECK: add  r2, r1
11}
12
13; Function Attrs: nounwind readnone uwtable
14define signext i8 @foo_char(i8 signext %a, i8 signext %b) #0 {
15  %1 = add i8 %b, %a
16  ret i8 %1
17; CHECK-LABEL: foo_char:
18; CHECK: add  r2, r1
19; CHECK: slli  r2, 56
20; CHECK: srai  r2, 56
21}
22
23; Function Attrs: nounwind readnone uwtable
24define i64 @foo_ll(i64 %a, i64 %b, i64 %c) #0 {
25  %1 = add nsw i64 %b, %a
26  %2 = sub i64 %1, %c
27  ret i64 %2
28; CHECK-LABEL: foo_ll:
29; CHECK: add  r2, r1
30; CHECK: sub  r2, r3
31; CHECK: mov  r0, r2
32}
33
34; Function Attrs: nounwind uwtable
35define void @foo_call2(i32 %a, i32 %b) #1 {
36  %1 = trunc i32 %b to i8
37  tail call void @foo_2arg(i8 signext %1, i32 %a) #3
38  ret void
39; CHECK-LABEL: foo_call2:
40; CHECK: slli  r2, 56
41; CHECK: srai  r2, 56
42; CHECK: mov  r1, r2
43}
44
45declare void @foo_2arg(i8 signext, i32) #2
46
47; Function Attrs: nounwind uwtable
48define i32 @foo_call5(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #1 {
49  %1 = tail call i32 @bar(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #3
50  ret i32 0
51; CHECK-LABEL: foo_call5:
52; CHECK: call bar
53}
54
55declare i32 @bar(i8 signext, i16 signext, i32, i64) #2
56
57; Function Attrs: nounwind readnone uwtable
58define signext i8 @foo_cmp(i8 signext %a, i8 signext %b) #0 {
59  %1 = icmp slt i8 %a, %b
60  %a.b = select i1 %1, i8 %a, i8 %b
61  ret i8 %a.b
62; CHECK-LABEL: foo_cmp:
63; CHECK: jsgt  r2, r1
64}
65
66; Function Attrs: nounwind readnone uwtable
67define i32 @foo_muldiv(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #0 {
68  %1 = icmp eq i8 %a, 0
69  br i1 %1, label %5, label %2
70
71; <label>:2                                       ; preds = %0
72  %3 = sext i16 %b to i32
73  %4 = mul nsw i32 %3, %c
74  br label %8
75
76; <label>:5                                       ; preds = %0
77  %6 = trunc i64 %d to i32
78  %7 = udiv i32 %6, %c
79  br label %8
80
81; <label>:8                                       ; preds = %5, %2
82  %.0 = phi i32 [ %4, %2 ], [ %7, %5 ]
83  ret i32 %.0
84; CHECK-LABEL: foo_muldiv:
85; CHECK: mul r2, r3
86}
87
88; Function Attrs: nounwind uwtable
89define i32 @foo_optimized() #1 {
90  %1 = tail call i32 @manyarg(i32 1, i32 2, i32 3, i32 4, i32 5) #3
91  ret i32 %1
92; CHECK-LABEL: foo_optimized:
93; CHECK: mov r1, 1
94; CHECK: mov r2, 2
95; CHECK: mov r3, 3
96; CHECK: mov r4, 4
97; CHECK: mov r5, 5
98}
99
100declare i32 @manyarg(i32, i32, i32, i32, i32) #2
101
102; Function Attrs: nounwind uwtable
103define void @foo_printf() #1 {
104  %fmt = alloca [9 x i8], align 1
105  %1 = getelementptr inbounds [9 x i8], [9 x i8]* %fmt, i64 0, i64 0
106  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @foo_printf.fmt, i64 0, i64 0), i64 9, i32 1, i1 false)
107; CHECK-LABEL: foo_printf:
108; CHECK: ld_64 r1, 729618802566522216
109  %2 = call i32 (i8*, ...) @printf(i8* %1) #3
110  ret void
111}
112
113; Function Attrs: nounwind
114declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) #3
115
116; Function Attrs: nounwind
117declare i32 @printf(i8* nocapture, ...) #4
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