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The "noduplicate" function attribute exists to prevent certain optimizations from duplicating calls to the function. This is important on platforms where certain function call duplications are unsafe (for example execution barriers for CUDA and OpenCL). This patch makes it possible to specify intrinsics as "noduplicate" and translates that to the appropriate function attribute. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204200 91177308-0d34-0410-b5e6-96231b3b80d8
10 lines
311 B
LLVM
10 lines
311 B
LLVM
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
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; Make sure LLVM knows about the noduplicate attribute on the
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; llvm.cuda.syncthreads intrinsic.
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declare void @llvm.cuda.syncthreads()
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; CHECK: declare void @llvm.cuda.syncthreads() #[[ATTRNUM:[0-9]+]]
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; CHECK: attributes #[[ATTRNUM]] = { noduplicate nounwind }
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