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Test case for PR8287: SD scheduling time. Fixed in r118904.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118906 91177308-0d34-0410-b5e6-96231b3b80d8
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test/CodeGen/Generic/2010-11-11-ReturnBigBuffer.ll
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test/CodeGen/Generic/2010-11-11-ReturnBigBuffer.ll
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; RUN: llc < %s PR8287: SelectionDag scheduling time.
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; Yes, some front end really produces this code. But that is a
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; separate bug. This is more an example than a real test, because I
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; don't know how give llvm-lit a timeout.
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define void @foo([4096 x i8]* %arg1, [4096 x i8]* %arg2) {
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%buffer = alloca [4096 x i8]
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%pbuf = alloca [4096 x i8]*
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store [4096 x i8]* %buffer, [4096 x i8]** %pbuf
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%parg1 = alloca [4096 x i8]*
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store [4096 x i8]* %arg1, [4096 x i8]** %parg1
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%parg2 = alloca [4096 x i8]*
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store [4096 x i8]* %arg2, [4096 x i8]** %parg2
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; The original test case has intermediate blocks.
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; Presumably something fills in "buffer".
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%bufferCopy1 = load [4096 x i8]** %pbuf
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%dataCopy1 = load [4096 x i8]* %bufferCopy1
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%arg1Copy = load [4096 x i8]** %parg1
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store [4096 x i8] %dataCopy1, [4096 x i8]* %arg1Copy
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%bufferCopy2 = load [4096 x i8]** %pbuf
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%dataCopy2 = load [4096 x i8]* %bufferCopy2
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%arg2Copy = load [4096 x i8]** %parg2
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store [4096 x i8] %dataCopy2, [4096 x i8]* %arg2Copy
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ret void
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}
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