[llvm] r184821 - R600: Add support for i32 loads from the constant address space on Cayman

[Tom Stellard]

Author: tstellar
Date: Mon Jun 24 21:39:30 2013
New Revision: 184821

URL: http://llvm.org/viewvc/llvm-project?rev=184821&view=rev
Log:
R600: Add support for i32 loads from the constant address space on Cayman

Tested-By: Aaron Watry <awatry at gmail.com>

Modified:
    llvm/trunk/lib/Target/R600/R600Instructions.td
    llvm/trunk/test/CodeGen/R600/load.ll

Modified: llvm/trunk/lib/Target/R600/R600Instructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/R600Instructions.td?rev=184821&r1=184820&r2=184821&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/R600Instructions.td (original)
+++ llvm/trunk/lib/Target/R600/R600Instructions.td Mon Jun 24 21:39:30 2013
@@ -1755,6 +1755,15 @@ def VTX_READ_GLOBAL_128_cm : VTX_READ_12
   [(set v4i32:$dst_gpr, (global_load ADDRVTX_READ:$src_gpr))]
 >;
 
+//===----------------------------------------------------------------------===//
+// Constant Loads
+// XXX: We are currently storing all constants in the global address space.
+//===----------------------------------------------------------------------===//
+
+def CONSTANT_LOAD_cm : VTX_READ_32_cm <1,
+  [(set i32:$dst_gpr, (constant_load ADDRVTX_READ:$src_gpr))]
+>;
+
 } // End isCayman
 
 //===----------------------------------------------------------------------===//

Modified: llvm/trunk/test/CodeGen/R600/load.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/R600/load.ll?rev=184821&r1=184820&r2=184821&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/R600/load.ll (original)
+++ llvm/trunk/test/CodeGen/R600/load.ll Mon Jun 24 21:39:30 2013
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600-CHECK %s
+; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck --check-prefix=R600-CHECK %s
 ; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck --check-prefix=SI-CHECK  %s
 
 ; Load an i8 value from the global address space.