llvm-project/llvm/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll

13 lines
288 B
LLVM

; In this test, a local alloca cannot alias an incoming argument.
; RUN: llvm-as < %s | opt -gvn -instcombine | llvm-dis | not grep sub
define i32 @test(i32* %P) {
%X = alloca i32
%V1 = load i32* %P
store i32 0, i32* %X
%V2 = load i32* %P
%Diff = sub i32 %V1, %V2
ret i32 %Diff
}