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Addrspacecasts are no-ops on ARM.

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Testcase added.

llvm-svn: 196269
This commit is contained in:
James Molloy 2013-12-03 11:23:11 +00:00
parent f84d58699b
commit 674f480ca4
2 changed files with 13 additions and 0 deletions
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6
lib/Target/ARM/ARMISelLowering.h
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@ -361,6 +361,12 @@ namespace llvm {
/// be used for loads / stores from the global.
virtual unsigned getMaximalGlobalOffset() const;
/// Returns true if a cast between SrcAS and DestAS is a noop.
virtual bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const {
// Addrspacecasts are always noops.
return true;
}
/// createFastISel - This method returns a target specific FastISel object,
/// or null if the target does not support "fast" ISel.
virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo,

7
test/CodeGen/ARM/addrspacecast.ll Normal file
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@ -0,0 +1,7 @@
; RUN: llc < %s -march=arm
; Check that codegen for an addrspace cast succeeds without error.
define <4 x i32 addrspace(1)*> @f (<4 x i32*> %x) {
%1 = addrspacecast <4 x i32*> %x to <4 x i32 addrspace(1)*>
ret <4 x i32 addrspace(1)*> %1
}