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Update edge weights correctly in replaceSuccessor().

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When replacing Old with New, it can happen that New is already a
successor. Add the old and new edge weights instead of creating a
duplicate edge.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161653 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-08-10 03:23:27 +00:00
parent 94bc246a8b
commit 15121ca0d1
2 changed files with 34 additions and 10 deletions
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2
test/CodeGen/X86/br-fold.ll
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@@ -1,7 +1,7 @@
; RUN: llc -march=x86-64 < %s | FileCheck %s
; CHECK: orq
; CHECK-NEXT: LBB0_1
; CHECK-NEXT: %bb8.i329
@_ZN11xercesc_2_513SchemaSymbols21fgURI_SCHEMAFORSCHEMAE = external constant [33 x i16], align 32 ; <[33 x i16]*> [#uses=1]
@_ZN11xercesc_2_56XMLUni16fgNotationStringE = external constant [9 x i16], align 16 ; <[9 x i16]*> [#uses=1]