[PATCH 2/2] R600: Use correct CF_END instruction on Northern Island GPUs

[Tom Stellard]

From: Tom Stellard <thomas.stellard at amd.com>

---
 lib/Target/R600/R600ControlFlowFinalizer.cpp | 2 +-
 test/CodeGen/R600/cf_end.ll                  | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/Target/R600/R600ControlFlowFinalizer.cpp b/lib/Target/R600/R600ControlFlowFinalizer.cpp
index 0e220b5..6109f02 100644
--- a/lib/Target/R600/R600ControlFlowFinalizer.cpp
+++ b/lib/Target/R600/R600ControlFlowFinalizer.cpp
@@ -90,7 +90,7 @@ private:
       Opcode = isEg ? AMDGPU::POP_EG : AMDGPU::POP_R600;
       break;
     case CF_END:
-      if (ST.device()->getGeneration() == AMDGPUDeviceInfo::HD6XXX) {
+      if (ST.device()->getDeviceFlag() == OCL_DEVICE_CAYMAN) {
         Opcode = AMDGPU::CF_END_CM;
         break;
       }
diff --git a/test/CodeGen/R600/cf_end.ll b/test/CodeGen/R600/cf_end.ll
index 67d5e3e..56cd7de 100644
--- a/test/CodeGen/R600/cf_end.ll
+++ b/test/CodeGen/R600/cf_end.ll
@@ -1,6 +1,9 @@
-; RUN: llc < %s -march=r600 -mcpu=redwood --show-mc-encoding | FileCheck %s
+; RUN: llc < %s -march=r600 -mcpu=redwood --show-mc-encoding | FileCheck --check-prefix=EG-CHECK %s
+; RUN: llc < %s -march=r600 -mcpu=caicos --show-mc-encoding | FileCheck --check-prefix=EG-CHECK %s
+; RUN: llc < %s -march=r600 -mcpu=cayman --show-mc-encoding | FileCheck --check-prefix=CM-CHECK %s
 
-; CHECK: CF_END ; encoding: [0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x80]
+; EG-CHECK: CF_END ; encoding: [0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x80]
+; CM-CHECK: CF_END ; encoding: [0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x88]
 define void @eop() {
   ret void
 }
-- 
1.8.1.5