Reactor: Fix printing of strings with escape characters

Don't bake the string into the printf format, use a '%s' and pass the string as a parameter.

Change-Id: I47be05383637caaa81a93d19623ff39c47988df3
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/31429
Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>

src/Reactor/LLVMReactor.cpp

diff --git a/src/Reactor/LLVMReactor.cpp b/src/Reactor/LLVMReactor.cpp
index 8616bea..272d8f0 100644
--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
@@ -4092,6 +4092,7 @@
 	std::vector<Value*> PrintValue::Ty<UShort4>::val(const RValue<UShort4>& v) { return extractAll(v.value, 4); }
 	std::vector<Value*> PrintValue::Ty<Float>::val(const RValue<Float>& v) { return toDouble({v.value}); }
 	std::vector<Value*> PrintValue::Ty<Float4>::val(const RValue<Float4>& v) { return toDouble(extractAll(v.value, 4)); }
+	std::vector<Value*> PrintValue::Ty<const char*>::val(const char* v) { return {V(::builder->CreateGlobalStringPtr(v))}; }
 
 	void Printv(const char* function, const char* file, int line, const char* fmt, std::initializer_list<PrintValue> args)
 	{