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UseListOrder: Order GlobalValue uses after initializers

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To avoid unnecessary forward references, the reader doesn't process
initializers of `GlobalValue`s until after the constant pool has been
processed, and then in reverse order.  Model this when predicting
use-list order.  This gets two more Bitcode tests passing with
`llvm-uselistorder`.

Part of PR5680.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214242 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-07-29 23:06:14 +00:00
parent abf3c77acb
commit 9b9c19509f
3 changed files with 57 additions and 14 deletions
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1
test/Bitcode/local-linkage-default-visibility.3.4.ll
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@ -1,4 +1,5 @@
; RUN: llvm-dis < %s.bc | FileCheck %s
; RUN: llvm-uselistorder < %s.bc -preserve-bc-use-list-order -num-shuffles=5
; local-linkage-default-visibility.3.4.ll.bc was generated by passing this file
; to llvm-as-3.4. The test checks that LLVM upgrades visibility of symbols

1
test/Bitcode/old-aliases.ll
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@ -1,4 +1,5 @@
; RUN: llvm-dis < %s.bc | FileCheck %s
; RUN: llvm-uselistorder < %s.bc -preserve-bc-use-list-order -num-shuffles=5
; old-aliases.bc consist of this file assembled with an old llvm-as (3.5 trunk)
; from when aliases contained a ConstantExpr.