llvm-6502/test/Analysis/CFLAliasAnalysis/gep-signed-arithmetic.ll
Daniel Berlin 8e43882572 Fix incorrect partial aliasing
Update testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227099 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-26 17:31:17 +00:00

20 lines
599 B
LLVM

; RUN: opt < %s -cfl-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; Derived from BasicAA/2010-09-15-GEP-SignedArithmetic.ll
target datalayout = "e-p:32:32:32"
; FIXME: This could be PartialAlias but CFLAA can't currently prove it
; CHECK: 1 may alias response
define i32 @test(i32 %indvar) nounwind {
%tab = alloca i32, align 4
%tmp31 = mul i32 %indvar, -2
%tmp32 = add i32 %tmp31, 30
%t.5 = getelementptr i32* %tab, i32 %tmp32
%loada = load i32* %tab
store i32 0, i32* %t.5
%loadb = load i32* %tab
%rval = add i32 %loada, %loadb
ret i32 %rval
}