R600: Add a SubtargetFeatture for disabling the ifcvt pass.

This is useful when writing test cases for the AMDIL structurizer.

llvm-svn: 195029

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/Target/R600/AMDGPUSubtarget.cpp b/llvm/lib/Target/R600/AMDGPUSubtarget.cpp
index 1e21c8e8b5c..4e97e6e83bb 100644
--- a/llvm/lib/Target/R600/AMDGPUSubtarget.cpp
+++ b/llvm/lib/Target/R600/AMDGPUSubtarget.cpp
@@ -37,6 +37,7 @@ AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
   FP64 = false;
   CaymanISA = false;
   EnableIRStructurizer = false;
+  EnableIfCvt = true;
   ParseSubtargetFeatures(GPU, FS);
   DevName = GPU;
 }
@@ -70,6 +71,10 @@ AMDGPUSubtarget::IsIRStructurizerEnabled() const {
   return EnableIRStructurizer;
 }
 bool
+AMDGPUSubtarget::isIfCvtEnabled() const {
+  return EnableIfCvt;
+}
+bool
 AMDGPUSubtarget::isTargetELF() const {
   return false;
 }