From a54ccd85374407a5015c5d8e0173089e75da9be4 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 28 Dec 2020 18:43:01 -0700
Subject: stage2: C backend: implement `@breakpoint` and clean up test harness

---
 src/codegen/c.zig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

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

diff --git a/src/codegen/c.zig b/src/codegen/c.zig
index 3311a9a25e..d949591a49 100644
--- a/src/codegen/c.zig
+++ b/src/codegen/c.zig
@@ -232,7 +232,7 @@ pub fn generate(file: *C, decl: *Decl) !void {
                     .retvoid => try genRetVoid(file),
                     .arg => try genArg(&ctx),
                     .dbg_stmt => try genDbgStmt(&ctx, inst.castTag(.dbg_stmt).?),
-                    .breakpoint => try genBreak(&ctx, inst.castTag(.breakpoint).?),
+                    .breakpoint => try genBreakpoint(file, inst.castTag(.breakpoint).?),
                     .unreach => try genUnreach(file, inst.castTag(.unreach).?),
                     .intcast => try genIntCast(&ctx, file, inst.castTag(.intcast).?),
                     else => |e| return ctx.fail(decl.src(), "TODO: C backend: implement codegen for {}", .{e}),
@@ -447,8 +447,8 @@ fn genDbgStmt(ctx: *Context, inst: *Inst.NoOp) !?[]u8 {
     return null;
 }
 
-fn genBreak(ctx: *Context, inst: *Inst.NoOp) !?[]u8 {
-    // TODO ??
+fn genBreakpoint(file: *C, inst: *Inst.NoOp) !?[]u8 {
+    try file.main.writer().writeAll("zig_breakpoint();\n");
     return null;
 }
 
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