R600/SI: allow 5 more input SGPRs to a shader

Our OpenGL driver needs 22 SGPRs (16 user SGPRs + 6 streamout non-user SGPRs).

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207990 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/AMDGPUCallingConv.td b/lib/Target/R600/AMDGPUCallingConv.td
index 65cdb246733644f737a9171bfedf8c3457a4647d..5f8ad8c3b17101dac6fe12aae2a261dd678d544c 100644 (file)
--- a/lib/Target/R600/AMDGPUCallingConv.td
+++ b/lib/Target/R600/AMDGPUCallingConv.td
@@ -20,7 +20,7 @@ def CC_SI : CallingConv<[
   CCIfInReg<CCIfType<[f32, i32] , CCAssignToReg<[
     SGPR0, SGPR1, SGPR2, SGPR3, SGPR4, SGPR5, SGPR6, SGPR7,
     SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
-    SGPR16
+    SGPR16, SGPR17, SGPR18, SGPR19, SGPR20, SGPR21
   ]>>>,
 
   CCIfInReg<CCIfType<[i64] , CCAssignToRegWithShadow<