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-rw-r--r--src/codegen/llvm.zig12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index d6515f9ec6..5d753c41cb 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -396,6 +396,7 @@ pub const LLVMIRModule = struct {
.condbr => try self.genCondBr(inst.castTag(.condbr).?),
.intcast => try self.genIntCast(inst.castTag(.intcast).?),
.load => try self.genLoad(inst.castTag(.load).?),
+ .loop => try self.genLoop(inst.castTag(.loop).?),
.not => try self.genNot(inst.castTag(.not).?),
.ret => try self.genRet(inst.castTag(.ret).?),
.retvoid => self.genRetVoid(inst.castTag(.retvoid).?),
@@ -559,6 +560,17 @@ pub const LLVMIRModule = struct {
return null;
}
+ fn genLoop(self: *LLVMIRModule, inst: *Inst.Loop) !?*const llvm.Value {
+ const loop_block = self.context.appendBasicBlock(self.llvm_func, "Loop");
+ _ = self.builder.buildBr(loop_block);
+
+ self.builder.positionBuilderAtEnd(loop_block);
+ try self.genBody(inst.body);
+
+ _ = self.builder.buildBr(loop_block);
+ return null;
+ }
+
fn genNot(self: *LLVMIRModule, inst: *Inst.UnOp) !?*const llvm.Value {
return self.builder.buildNot(try self.resolveInst(inst.operand), "");
}