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1; This testcase makes sure that size is taken to account when alias analysis 2; is performed. It is not legal to delete the second load instruction because3; the value computed by the first load instruction is changed by the store.4 5; RUN: opt < %s -aa-pipeline=basic-aa -passes=gvn,instcombine -S | FileCheck %s6 7define i32 @test() {8; CHECK: %Y.DONOTREMOVE = load i32, ptr %A9; CHECK: %Z = sub i32 0, %Y.DONOTREMOVE10 %A = alloca i3211 store i32 0, ptr %A12 %X = load i32, ptr %A13 %C = getelementptr i8, ptr %A, i64 114 store i8 1, ptr %C ; Aliases %A15 %Y.DONOTREMOVE = load i32, ptr %A16 %Z = sub i32 %X, %Y.DONOTREMOVE17 ret i32 %Z18}19 20