From a09d554721ecf0c6d967d5f55b3416e3284e71f2 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 27 Feb 2025 22:22:46 -0800
Subject: Fix regression in float to bool conversion. (#6497)

---
 source/slang/slang-ir.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'source')

diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 3a7ace37d..1b0f99cd3 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -4047,7 +4047,7 @@ IRInst* IRBuilder::emitCast(IRType* type, IRInst* value, bool fallbackToBuiltinC
         /* From Float */
         {kIROp_CastFloatToInt,
          kIROp_FloatCast,
-         {kIROp_CastFloatToInt, kIROp_IntCast},
+         {kIROp_Neq},
          {kIROp_CastFloatToInt, kIROp_CastIntToPtr},
          kIROp_CastToVoid},
         /* From Bool  */
@@ -4079,6 +4079,13 @@ IRInst* IRBuilder::emitCast(IRType* type, IRInst* value, bool fallbackToBuiltinC
                 matType->getColumnCount(),
                 matType->getLayout());
     }
+
+    if (op.op0 == kIROp_Neq)
+    {
+        IRInst* args[2] = {value, emitDefaultConstruct(value->getDataType())};
+        return emitIntrinsicInst(type, op.op0, 2, args);
+    }
+
     auto result = emitIntrinsicInst(t, op.op0, 1, &value);
     if (op.op1 != kIROp_Nop)
     {
-- 
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