1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -passes=instcombine -S -o - %s | FileCheck %s 3; Test that we don't replace an alias with its aliasee when simplifying GEPs. 4; In this test case the transformation is invalid because it replaces the 5; reference to the symbol "b" (which refers to whichever instance of "b" 6; was chosen by the linker) with a reference to "a" (which refers to the 7; specific instance of "b" in this module). 8 9target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10target triple = "x86_64-unknown-linux-gnu" 11 12@a = internal global [3 x ptr] zeroinitializer 13@b = linkonce_odr alias [3 x ptr], ptr @a 14 15define ptr @f() { 16; CHECK-LABEL: define ptr @f() { 17; CHECK-NEXT: ret ptr getelementptr (i8, ptr @b, i64 8) 18; 19 ret ptr getelementptr ([3 x ptr], ptr @b, i64 0, i64 1) 20} 21