source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/arm64-spill-lr.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: 2.8 KB
Line 
1; RUN: llc -mtriple=arm64-apple-ios < %s
2@bar = common global i32 0, align 4
3
4; Leaf function which uses all callee-saved registers and allocates >= 256 bytes
5; on the stack this will cause determineCalleeSaves() to spill LR as an
6; additional scratch register.
7;
8; This is a crash-only regression test for rdar://15124582.
9define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) nounwind {
10entry:
11  %stack = alloca [128 x i32], align 4
12  %0 = bitcast [128 x i32]* %stack to i8*
13  %idxprom = sext i32 %a to i64
14  %arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %stack, i64 0, i64 %idxprom
15  store i32 %b, i32* %arrayidx, align 4
16  %1 = load volatile i32, i32* @bar, align 4
17  %2 = load volatile i32, i32* @bar, align 4
18  %3 = load volatile i32, i32* @bar, align 4
19  %4 = load volatile i32, i32* @bar, align 4
20  %5 = load volatile i32, i32* @bar, align 4
21  %6 = load volatile i32, i32* @bar, align 4
22  %7 = load volatile i32, i32* @bar, align 4
23  %8 = load volatile i32, i32* @bar, align 4
24  %9 = load volatile i32, i32* @bar, align 4
25  %10 = load volatile i32, i32* @bar, align 4
26  %11 = load volatile i32, i32* @bar, align 4
27  %12 = load volatile i32, i32* @bar, align 4
28  %13 = load volatile i32, i32* @bar, align 4
29  %14 = load volatile i32, i32* @bar, align 4
30  %15 = load volatile i32, i32* @bar, align 4
31  %16 = load volatile i32, i32* @bar, align 4
32  %17 = load volatile i32, i32* @bar, align 4
33  %18 = load volatile i32, i32* @bar, align 4
34  %19 = load volatile i32, i32* @bar, align 4
35  %20 = load volatile i32, i32* @bar, align 4
36  %idxprom1 = sext i32 %c to i64
37  %arrayidx2 = getelementptr inbounds [128 x i32], [128 x i32]* %stack, i64 0, i64 %idxprom1
38  %21 = load i32, i32* %arrayidx2, align 4
39  %factor = mul i32 %h, -2
40  %factor67 = mul i32 %g, -2
41  %factor68 = mul i32 %f, -2
42  %factor69 = mul i32 %e, -2
43  %factor70 = mul i32 %d, -2
44  %factor71 = mul i32 %c, -2
45  %factor72 = mul i32 %b, -2
46  %sum = add i32 %2, %1
47  %sum73 = add i32 %sum, %3
48  %sum74 = add i32 %sum73, %4
49  %sum75 = add i32 %sum74, %5
50  %sum76 = add i32 %sum75, %6
51  %sum77 = add i32 %sum76, %7
52  %sum78 = add i32 %sum77, %8
53  %sum79 = add i32 %sum78, %9
54  %sum80 = add i32 %sum79, %10
55  %sum81 = add i32 %sum80, %11
56  %sum82 = add i32 %sum81, %12
57  %sum83 = add i32 %sum82, %13
58  %sum84 = add i32 %sum83, %14
59  %sum85 = add i32 %sum84, %15
60  %sum86 = add i32 %sum85, %16
61  %sum87 = add i32 %sum86, %17
62  %sum88 = add i32 %sum87, %18
63  %sum89 = add i32 %sum88, %19
64  %sum90 = add i32 %sum89, %20
65  %sub15 = sub i32 %21, %sum90
66  %sub16 = add i32 %sub15, %factor
67  %sub17 = add i32 %sub16, %factor67
68  %sub18 = add i32 %sub17, %factor68
69  %sub19 = add i32 %sub18, %factor69
70  %sub20 = add i32 %sub19, %factor70
71  %sub21 = add i32 %sub20, %factor71
72  %add = add i32 %sub21, %factor72
73  ret i32 %add
74}
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