diff options
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.h | 6 | ||||
| -rw-r--r-- | test/CodeGen/ARM/addrspacecast.ll | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h index f17b8df0c9..bcd6059308 100644 --- a/lib/Target/ARM/ARMISelLowering.h +++ b/lib/Target/ARM/ARMISelLowering.h @@ -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, diff --git a/test/CodeGen/ARM/addrspacecast.ll b/test/CodeGen/ARM/addrspacecast.ll new file mode 100644 index 0000000000..2e98ba53c6 --- /dev/null +++ b/test/CodeGen/ARM/addrspacecast.ll @@ -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 +} |