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