1 ; This testcase ensures that CFLSteensAA doesn't try to access out of bounds indices
2 ; when given functions with large amounts of arguments (specifically, more
3 ; arguments than the StratifiedAttrs bitset can handle)
5 ; Because the result on failure is effectively crashing the compiler, output
8 ; RUN: opt < %s -cfl-steens-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
10 ; CHECK: Function: test
11 define void @test(i1 %cond,
12 i32* %arg1, i32* %arg2, i32* %arg3, i32* %arg4, i32* %arg5,
13 i32* %arg6, i32* %arg7, i32* %arg8, i32* %arg9, i32* %arg10,
14 i32* %arg11, i32* %arg12, i32* %arg13, i32* %arg14, i32* %arg15,
15 i32* %arg16, i32* %arg17, i32* %arg18, i32* %arg19, i32* %arg20,
16 i32* %arg21, i32* %arg22, i32* %arg23, i32* %arg24, i32* %arg25,
17 i32* %arg26, i32* %arg27, i32* %arg28, i32* %arg29, i32* %arg30,
18 i32* %arg31, i32* %arg32, i32* %arg33, i32* %arg34, i32* %arg35) {
20 ; CHECK: 946 Total Alias Queries Performed
21 ; CHECK: 43 no alias responses (4.5%)
22 %a = alloca i32, align 4
23 %b = select i1 %cond, i32* %arg35, i32* %arg34
24 %c = select i1 %cond, i32* %arg34, i32* %arg33
25 %d = select i1 %cond, i32* %arg33, i32* %arg32
26 %e = select i1 %cond, i32* %arg32, i32* %arg31
27 %f = select i1 %cond, i32* %arg31, i32* %arg30
28 %g = select i1 %cond, i32* %arg30, i32* %arg29
29 %h = select i1 %cond, i32* %arg29, i32* %arg28
30 %i = select i1 %cond, i32* %arg28, i32* %arg27