From 98cfc17843edf26d85b1030cb4236a9469bdec46 Mon Sep 17 00:00:00 2001
From: jbrodman <james.brodman@intel.com>
Date: Tue, 4 Feb 2014 08:12:02 -0800
Subject: [PATCH] Fix bug with printing due to uneven handling of bool types

---
 stmt.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/stmt.cpp b/stmt.cpp
index 4ec63d35..52d25fe9 100644
--- a/stmt.cpp
+++ b/stmt.cpp
@@ -3003,6 +3003,14 @@ lProcessPrintArg(Expr *expr, FunctionEmitContext *ctx, std::string &argTypes) {
         return NULL;
     }
     else {
+        if (Type::Equal(baseType, AtomicType::UniformBool)) {
+          // Blast bools to ints, but do it here to preserve encoding for 
+          // printing 'true' or 'false'
+            expr = new TypeCastExpr(type->IsUniformType() ? AtomicType::UniformInt32 :
+                                                            AtomicType::VaryingInt32,
+                                    expr, expr->pos);
+            type = expr->GetType();
+        }
         argTypes.push_back(t);
 
         llvm::Type *llvmExprType = type->LLVMType(g->ctx);