; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; CHECK-LABEL: test_with_zext ; CHECK: NoAlias: i8* %a, i8* %b define void @test_with_zext() { %1 = tail call i8* @malloc(i64 120) %a = getelementptr inbounds i8* %1, i64 8 %2 = getelementptr inbounds i8* %1, i64 16 %3 = zext i32 3 to i64 %b = getelementptr inbounds i8* %2, i64 %3 ret void } ; CHECK-LABEL: test_with_lshr ; CHECK: NoAlias: i8* %a, i8* %b define void @test_with_lshr(i64 %i) { %1 = tail call i8* @malloc(i64 120) %a = getelementptr inbounds i8* %1, i64 8 %2 = getelementptr inbounds i8* %1, i64 16 %3 = lshr i64 %i, 2 %b = getelementptr inbounds i8* %2, i64 %3 ret void } ; CHECK-LABEL: test_with_a_loop ; CHECK: NoAlias: i8* %a, i8* %b define void @test_with_a_loop() { %1 = tail call i8* @malloc(i64 120) %a = getelementptr inbounds i8* %1, i64 8 %2 = getelementptr inbounds i8* %1, i64 16 br label %for.loop for.loop: %i = phi i32 [ 0, %0 ], [ %i.next, %for.loop ] %3 = zext i32 %i to i64 %b = getelementptr inbounds i8* %2, i64 %3 %i.next = add nuw nsw i32 %i, 1 %4 = icmp eq i32 %i.next, 10 br i1 %4, label %for.loop.exit, label %for.loop for.loop.exit: ret void } ; CHECK-LABEL: test_sign_extension ; CHECK: PartialAlias: i64* %b.i64, i8* %a define void @test_sign_extension(i32 %p) { %1 = tail call i8* @malloc(i64 120) %p.64 = zext i32 %p to i64 %a = getelementptr inbounds i8* %1, i64 %p.64 %p.minus1 = add i32 %p, -1 %p.minus1.64 = zext i32 %p.minus1 to i64 %b.i8 = getelementptr inbounds i8* %1, i64 %p.minus1.64 %b.i64 = bitcast i8* %b.i8 to i64* ret void } ; Function Attrs: nounwind declare noalias i8* @malloc(i64)