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Function-local metadata whose operands had been optimized to no longer refer to function-local IR were not getting written by BitcodeWriter; solution is for these metadata to be enumerated just like global metadata.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95467 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2010-02-06 01:21:09 +00:00
parent 570a4a5d9c
commit 2b3365ca1d
2 changed files with 27 additions and 2 deletions
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25
test/Assembler/2010-02-05-FunctionLocalMetadataBecomesNull.ll Normal file
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; RUN: opt -std-compile-opts < %s | llvm-dis | not grep badref
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.2"
%struct.anon = type { i32, i32 }
%struct.test = type { i64, %struct.anon, %struct.test* }
@TestArrayPtr = global %struct.test* getelementptr inbounds ([10 x %struct.test]* @TestArray, i64 0, i64 3) ; <%struct.test**> [#uses=1]
@TestArray = common global [10 x %struct.test] zeroinitializer, align 32 ; <[10 x %struct.test]*> [#uses=2]
define i32 @main() nounwind readonly {
%diff1 = alloca i64 ; <i64*> [#uses=2]
call void @llvm.dbg.declare(metadata !{i64* %diff1}, metadata !0)
store i64 72, i64* %diff1, align 8
%v1 = load %struct.test** @TestArrayPtr, align 8 ; <%struct.test*> [#uses=1]
%v2 = ptrtoint %struct.test* %v1 to i64 ; <i64> [#uses=1]
%v3 = sub i64 %v2, ptrtoint ([10 x %struct.test]* @TestArray to i64) ; <i64> [#uses=1]
store i64 %v3, i64* %diff1, align 8
ret i32 4
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!0 = metadata !{i32 459008, metadata !0, metadata !0, metadata !0, i32 38, metadata !0} ; [ DW_TAG_auto_variable ]