From 057c950093085e392fcdd6d6c8e7fb4356dd9959 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 21 Apr 2023 23:05:36 -0700
Subject: LLVM backend: support non-byte-sized memset

Also introduce memset_safe AIR tag and support it in C backend and LLVM
backend.
---
 src/arch/wasm/CodeGen.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/arch/wasm/CodeGen.zig')

diff --git a/src/arch/wasm/CodeGen.zig b/src/arch/wasm/CodeGen.zig
index 740e95d80d..e3f07d0606 100644
--- a/src/arch/wasm/CodeGen.zig
+++ b/src/arch/wasm/CodeGen.zig
@@ -1883,7 +1883,8 @@ fn genInst(func: *CodeGen, inst: Air.Inst.Index) InnerError!void {
 
         .load => func.airLoad(inst),
         .loop => func.airLoop(inst),
-        .memset => func.airMemset(inst),
+        // TODO: elide memset when writing undef without safety
+        .memset, .memset_safe => func.airMemset(inst),
         .not => func.airNot(inst),
         .optional_payload => func.airOptionalPayload(inst),
         .optional_payload_ptr => func.airOptionalPayloadPtr(inst),
-- 
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