llvm-6502/test/Transforms/InstCombine/pr20079.ll at 1a6fd4d9f94d415b5112da2d42b31625899b738c - llvm-6502 - Applefritter: Git

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David Majnemer 76735fbd2e IR: Fold away compares between GV GEPs and GVs

A GEP of a non-weak global variable will not be equivalent to another
non-weak global variable or a GEP of such a variable.

Differential Revision: http://reviews.llvm.org/D4238

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212360 91177308-0d34-0410-b5e6-96231b3b80d8

2014-07-04 22:05:26 +00:00

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 ; RUN: opt -S -instcombine < %s | FileCheck %s
 @b = internal global [1 x i32] zeroinitializer, align 4
 @c = internal global i32 0, align 4
 ; CHECK-LABEL: @fn1
 ; CHECK-NEXT: ret i32 0
 define i32 @fn1(i32 %a) {
   ret i32 0
 }