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While extending definition range of a debug variable, consult lexical scopes also. There is no point extending debug variable out side its lexical block. This provides 6x compile time speedup in some cases.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-08-10 21:25:34 +00:00
parent 9ce256421a
commit c722c3d5ff
3 changed files with 25 additions and 13 deletions
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2
test/CodeGen/ARM/debug-info-sreg2.ll
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@@ -5,7 +5,7 @@ target triple = "thumbv7-apple-macosx10.6.7"
;CHECK: Ldebug_loc0:
;CHECK-NEXT: .long Ltmp1
;CHECK-NEXT: .long Ltmp3
;CHECK-NEXT: .long Ltmp2
;CHECK-NEXT: Lset9 = Ltmp10-Ltmp9 @ Loc expr size
;CHECK-NEXT: .short Lset9
;CHECK-NEXT: Ltmp9: