| Chandler Carruth | 7b560d4 | 2015-09-09 17:55:00 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -disable-basicaa -cfl-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| Hal Finkel | 7529c55 | 2014-09-02 21:43:13 +0000 | [diff] [blame] | 2 | ; Derived from BasicAA/2010-09-15-GEP-SignedArithmetic.ll |
| 3 | |
| 4 | target datalayout = "e-p:32:32:32" |
| 5 | |
| Daniel Berlin | 16f7a52 | 2015-01-26 17:31:17 +0000 | [diff] [blame] | 6 | ; FIXME: This could be PartialAlias but CFLAA can't currently prove it |
| 7 | ; CHECK: 1 may alias response |
| Hal Finkel | 7529c55 | 2014-09-02 21:43:13 +0000 | [diff] [blame] | 8 | |
| Daniel Berlin | 16f7a52 | 2015-01-26 17:31:17 +0000 | [diff] [blame] | 9 | define i32 @test(i32 %indvar) nounwind { |
| 10 | %tab = alloca i32, align 4 |
| Hal Finkel | 7529c55 | 2014-09-02 21:43:13 +0000 | [diff] [blame] | 11 | %tmp31 = mul i32 %indvar, -2 |
| 12 | %tmp32 = add i32 %tmp31, 30 |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 13 | %t.5 = getelementptr i32, i32* %tab, i32 %tmp32 |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 14 | %loada = load i32, i32* %tab |
| Hal Finkel | 7529c55 | 2014-09-02 21:43:13 +0000 | [diff] [blame] | 15 | store i32 0, i32* %t.5 |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 16 | %loadb = load i32, i32* %tab |
| Hal Finkel | 7529c55 | 2014-09-02 21:43:13 +0000 | [diff] [blame] | 17 | %rval = add i32 %loada, %loadb |
| 18 | ret i32 %rval |
| 19 | } |