From 61b7de3c39f01a0eeb717f444c86990547752e26 Mon Sep 17 00:00:00 2001
From: Steven Perron <stevenperron@google.com>
Date: Wed, 15 Apr 2020 14:41:52 -0400
Subject: [PATCH] Remove unreachable code. (#3304)

---
 source/opt/graphics_robust_access_pass.cpp | 4 ++++
 source/opt/ir_context.cpp                  | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/source/opt/graphics_robust_access_pass.cpp b/source/opt/graphics_robust_access_pass.cpp
index 22c979cf3a..db14020db2 100644
--- a/source/opt/graphics_robust_access_pass.cpp
+++ b/source/opt/graphics_robust_access_pass.cpp
@@ -802,8 +802,11 @@ spv_result_t GraphicsRobustAccessPass::ClampCoordinateForImageTexelPointer(
     opt::Instruction* image_texel_pointer) {
   // TODO(dneto): Write tests for this code.
   // TODO(dneto): Use signed-clamp
+  (void)(image_texel_pointer);
   return SPV_SUCCESS;
 
+  // Do not compile this code until it is ready to be used.
+#if 0
   // Example:
   //   %texel_ptr = OpImageTexelPointer %texel_ptr_type %image_ptr %coord
   //   %sample
@@ -1035,6 +1038,7 @@ spv_result_t GraphicsRobustAccessPass::ClampCoordinateForImageTexelPointer(
   def_use_mgr->AnalyzeInstUse(image_texel_pointer);
 
   return SPV_SUCCESS;
+#endif
 }
 
 opt::Instruction* GraphicsRobustAccessPass::InsertInst(
diff --git a/source/opt/ir_context.cpp b/source/opt/ir_context.cpp
index 861ca2caa0..c4378d37bd 100644
--- a/source/opt/ir_context.cpp
+++ b/source/opt/ir_context.cpp
@@ -272,7 +272,7 @@ bool IRContext::ReplaceAllUsesWithPredicate(
 bool IRContext::IsConsistent() {
 #ifndef SPIRV_CHECK_CONTEXT
   return true;
-#endif
+#else
   if (AreAnalysesValid(kAnalysisDefUse)) {
     analysis::DefUseManager new_def_use(module());
     if (*get_def_use_mgr() != new_def_use) {
@@ -324,6 +324,7 @@ bool IRContext::IsConsistent() {
     }
   }
   return true;
+#endif
 }
 
 void IRContext::ForgetUses(Instruction* inst) {