From 6aa04c422bae89c50e1289e1ca51cd4d414debb7 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Fri, 25 Aug 2017 20:44:32 -0400
Subject: float division by zero check only when FloatMode.Optimzed

closes #395
---
 src/codegen.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/codegen.cpp')

diff --git a/src/codegen.cpp b/src/codegen.cpp
index 381500e062..640bece896 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -1269,7 +1269,7 @@ static LLVMValueRef gen_div(CodeGen *g, bool want_debug_safety, bool want_fast_m
     ZigLLVMSetFastMath(g->builder, want_fast_math);
 
     LLVMValueRef zero = LLVMConstNull(type_entry->type_ref);
-    if (want_debug_safety) {
+    if (want_debug_safety && (want_fast_math || type_entry->id != TypeTableEntryIdFloat)) {
         LLVMValueRef is_zero_bit;
         if (type_entry->id == TypeTableEntryIdInt) {
             is_zero_bit = LLVMBuildICmp(g->builder, LLVMIntEQ, val2, zero, "");
-- 
cgit v1.2.3