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[NVPTX] Add support for .managed variables for UVM 

llvm-svn: 211942
This commit is contained in:
Justin Holewinski 2014-06-27 18:35:58 +00:00
parent d73767a80a
commit 773ca40f5d
2 changed files with 16 additions and 0 deletions
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5
llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
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@ -1480,6 +1480,11 @@ void NVPTXAsmPrinter::printModuleLevelGV(const GlobalVariable *GVar,
O << ".";
emitPTXAddressSpace(PTy->getAddressSpace(), O);
if (isManaged(*GVar)) {
O << " .attribute(.managed)";
}
if (GVar->getAlignment() == 0)
O << " .align " << (int) TD->getPrefTypeAlignment(ETy);
else

11
llvm/test/CodeGen/NVPTX/managed.ll Normal file
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@ -0,0 +1,11 @@
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
; CHECK: .visible .global .align 4 .u32 device_g;
@device_g = addrspace(1) global i32 zeroinitializer
; CHECK: .visible .global .attribute(.managed) .align 4 .u32 managed_g;
@managed_g = addrspace(1) global i32 zeroinitializer
!nvvm.annotations = !{!0}
!0 = metadata !{i32 addrspace(1)* @managed_g, metadata !"managed", i32 1}