llvm-project/llvm/test/Analysis/CFLAliasAnalysis/Steensgaard/gep-index-no-alias.ll

18 lines
593 B
LLVM

; This testcase ensures that gep result does not alias gep indices
; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-no-aliases -disable-output 2>&1 | FileCheck %s
; CHECK: Function: foo
; CHECK: [2 x i32]* %a, [2 x i32]* %b
define void @foo(i32 %n) {
%a = alloca [2 x i32], align 4
%b = alloca [2 x i32], align 4
%c = getelementptr inbounds [2 x i32], [2 x i32]* %a, i32 0, i32 %n
%d = getelementptr inbounds [2 x i32], [2 x i32]* %b, i32 0, i32 %n
load [2 x i32], [2 x i32]* %a
load [2 x i32], [2 x i32]* %b
load i32, i32* %c
load i32, i32* %d
ret void
}