From acad2fae4463d0f3df873b5c377c252954639116 Mon Sep 17 00:00:00 2001
From: Alex Rønne Petersen <alex@alexrp.com>
Date: Tue, 13 Aug 2024 04:20:07 +0200
Subject: llvm: Remove the aarch64-windows @llvm.dbg.value() workaround.

https://github.com/llvm/llvm-project/issues/56484
---
 src/codegen/llvm.zig | 13 -------------
 1 file changed, 13 deletions(-)

(limited to 'src/codegen/llvm.zig')

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 380c77d25b..23fdbb177b 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -6720,8 +6720,6 @@ pub const FuncGen = struct {
         const operand_ty = self.typeOf(pl_op.operand);
         const name = self.air.nullTerminatedString(pl_op.payload);
 
-        if (needDbgVarWorkaround(o)) return .none;
-
         const debug_local_var = try o.builder.debugLocalVar(
             try o.builder.metadataString(name),
             self.file,
@@ -8826,7 +8824,6 @@ pub const FuncGen = struct {
         if (self.is_naked) return arg_val;
 
         const inst_ty = self.typeOfIndex(inst);
-        if (needDbgVarWorkaround(o)) return arg_val;
 
         const name = self.air.instructions.items(.data)[@intFromEnum(inst)].arg.name;
         if (name == .none) return arg_val;
@@ -11831,16 +11828,6 @@ const optional_layout_version = 3;
 
 const lt_errors_fn_name = "__zig_lt_errors_len";
 
-/// Without this workaround, LLVM crashes with "unknown codeview register H1"
-/// https://github.com/llvm/llvm-project/issues/56484
-fn needDbgVarWorkaround(o: *Object) bool {
-    const target = o.pt.zcu.getTarget();
-    if (target.os.tag == .windows and target.cpu.arch == .aarch64) {
-        return true;
-    }
-    return false;
-}
-
 fn compilerRtIntBits(bits: u16) u16 {
     inline for (.{ 32, 64, 128 }) |b| {
         if (bits <= b) {
-- 
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