Overhaul Cell SPU's addressing mode internals so that there are now

only two addressing mode nodes, SPUaform and SPUindirect (vice the
three previous ones, SPUaform, SPUdform and SPUxform). This improves
code somewhat because we now avoid using reg+reg addressing when
it can be avoided. It also simplifies the address selection logic,
which was the main point for doing this.

Also, for various global variables that would be loaded using SPU's
A-form addressing, prefer D-form offs[reg] addressing, keeping the
base in a register if the variable is used more than once.

llvm-svn: 46483

1 files changed, 1 insertions, 2 deletions

diff --git a/llvm/lib/Target/CellSPU/SPUISelLowering.h b/llvm/lib/Target/CellSPU/SPUISelLowering.h
index d9e4e7ed4ed..916f2c931fc 100644
--- a/llvm/lib/Target/CellSPU/SPUISelLowering.h
+++ b/llvm/lib/Target/CellSPU/SPUISelLowering.h
@@ -32,8 +32,7 @@ namespace llvm {
       Lo,                       ///< Low address component (lower 16)
       PCRelAddr,                ///< Program counter relative address
       AFormAddr,                ///< A-form address (local store)
-      DFormAddr,                ///< D-Form address "imm($r)"
-      XFormAddr,                ///< X-Form address "$r($r)"
+      IndirectAddr,             ///< D-Form "imm($r)" and X-form "$r($r)"
 
       LDRESULT,                 ///< Load result (value, chain)
       CALL,                     ///< CALL instruction