[Mesa-dev] [PATCH 2/3] gallivm: add lp_create_builder with an unsafe_fpmath option

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 14 ++++++++++++++
 src/gallium/auxiliary/gallivm/lp_bld_misc.h   |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index bd4d4d3..da3cbdd 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -726,10 +726,24 @@ lp_get_called_value(LLVMValueRef call)
 
 extern "C" bool
 lp_is_function(LLVMValueRef v)
 {
 #if HAVE_LLVM >= 0x0309
 	return LLVMGetValueKind(v) == LLVMFunctionValueKind;
 #else
 	return llvm::isa<llvm::Function>(llvm::unwrap(v));
 #endif
 }
+
+extern "C" LLVMBuilderRef
+lp_create_builder(LLVMContextRef ctx, bool unsafe_fpmath)
+{
+   LLVMBuilderRef builder = LLVMCreateBuilderInContext(ctx);
+
+   if (unsafe_fpmath) {
+      llvm::FastMathFlags flags;
+      flags.setUnsafeAlgebra();
+      llvm::unwrap(builder)->setFastMathFlags(flags);
+   }
+
+   return builder;
+}
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.h b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
index a55c6bd..c499a6f 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
@@ -75,16 +75,19 @@ lp_free_memory_manager(LLVMMCJITMemoryManagerRef memorymgr);
 
 extern void
 lp_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
 
 extern LLVMValueRef
 lp_get_called_value(LLVMValueRef call);
 
 extern bool
 lp_is_function(LLVMValueRef v);
 
+extern LLVMBuilderRef
+lp_create_builder(LLVMContextRef ctx, bool unsafe_fpmath);
+
 #ifdef __cplusplus
 }
 #endif
 
 
 #endif /* !LP_BLD_MISC_H */
-- 
2.7.4